MCQ 1511 Mark
Mark $(\checkmark)$ against the correct answer in the following.
If $a, b, c, d$ are in proportion then:
- A
$ac = bd$
- ✓
$ad = bc$
- C
$ab = cd$
- D
AnswerCorrect option: B. $ad = bc$
$\frac{\text{a}}{\text{b}}$
$=\frac{\text{c}}{\text{d}}$
$\Rightarrow\text{ad}=\text{bc}$
View full question & answer→MCQ 1521 Mark
When a number is added to a second number, the sum is $33.33\%$ of the second number. What is the ratio between the first number and second number?
- A
$3 : 7$
- B
$7 : 4$
- C
$7 : 3$
- ✓
AnswerData inadequate reason $x + y = 33.33$ percent of $\text{yx + y }=\frac{1}{3}\times\text{y}$
The ratio is coming out to be negativeThen data inadequate
View full question & answer→MCQ 1531 Mark
The weekly expenses of a boy have increased from $Rs. 1,500$ to $Rs. 2,250$. Find the ratio of:
$I.$ Increases in expenses to original expenses.
$II.$ Original expenses to increased expenses.
$III.$ Increased expenses to increase in expenses.
- A
$(1)1 : 2, (2) 3 : 2, (3) 3 : 1$
- B
$(1)1 : 2, (2) 2 : 3, (3) 1 : 3$
- C
$(1)2 : 1, (2) 2 : 3, (3) 3 : 1$
- ✓
$(1)1 : 2, (2) 2 : 3, (3) 3 : 1$
AnswerCorrect option: D. $(1)1 : 2, (2) 2 : 3, (3) 3 : 1$
Increase in expenses to original expenses $=\frac{2250-1500}{1500}=\frac{750}{1500}=1:2$
Original expenses to increased expenses $=\frac{1500}{2250}=\frac{2}{3}=2:3$
Increased expenses to increase in expenses $=\frac{2250}{750}=3:1$
View full question & answer→MCQ 1541 Mark
Ratio of $200\ ml$ to $2$ litre is____
- A
$20 : 1$
- ✓
$1 : 10$
- C
$2 : 200$
- D
$1 : 20$
AnswerCorrect option: B. $1 : 10$
$2$ litre $= 2000\ ml$ $200\ ml : 2$ litre
$= 200 : 2000$
$= 1 : 10$
View full question & answer→MCQ 1551 Mark
If $a : b = 3 : 2, b : c$ $=\frac{1}{4}:\frac{1}{5},$ c : d $=1\frac{1}{2}:3\frac{1}{2}$ What is $a : d$?
- ✓
$45 : 56$
- B
$15 : 14$
- C
$15 : 22$
- D
$45 : 67$
AnswerCorrect option: A. $45 : 56$
$45 : 56$
View full question & answer→MCQ 1561 Mark
The ratio of male and female employees in a multinational company is $5 : 3$. If there are $115$ male employees in the company, then the number of female employees is:
AnswerIf the number of male employees is $115$, let the number of female employees be $x$.
According to the question:
$5 : 3 = 115 : x$
$\Rightarrow\text{x}=\frac{115}{5\times3}=69$
View full question & answer→MCQ 1571 Mark
If $A : B = 7: :9$ and $B : C = 6 : 7$ then $A : C$ is
- A
$2 : 3$
- B
$3 : 2$
- C
$1 : 3$
- ✓
$5 : 3$
AnswerCorrect option: D. $5 : 3$
$5 : 3$
View full question & answer→MCQ 1581 Mark
If the angles of a triangle are in the ratio $2 : 3 : 4$, then the difference between the greatest and smallest angles is.
- A
$10^\circ $
- B
$20^\circ $
- C
$30^\circ$
- ✓
$40^\circ$
AnswerCorrect option: D. $40^\circ$
Let the angles be in ratio $2x, 3x, 4x.$
Therefore, $2x + 3x + 4x = 180^\circ $
$9x = 180^\circ $
$x = 20^\circ $
Difference between the greatest and smallest angles is
$= 4x - 2x = 2x = 2 \times 20^\circ = 40^\circ $
View full question & answer→MCQ 1591 Mark
Mark $(\checkmark)$ against the correct answer in the following.
If $a, b, c$ are in proportion then:
- A
$a² = bc$
- ✓
$b² = ac$
- C
$c² = ab$
- D
AnswerCorrect option: B. $b² = ac$
$\Rightarrow\frac{\text{a}}{\text{b}}=\frac{\text{b}}{\text{c}}$
$\Rightarrow\text{b}^2=\text{ac}$
View full question & answer→MCQ 1601 Mark
If a bus travels $126\ km$ in $3$ hours and a train travels $315\ km$ in $5$ hours, then the ratio of their speeds is:
- A
$2 : 5$
- ✓
$2 : 3$
- C
$5 : 2$
- D
$25 : 6$
AnswerCorrect option: B. $2 : 3$
Speed = Distance Time
Speed of the bus $=\frac{126}{3}=42\text{km/h}$
Speed of the train $=\frac{315}{5}=63\text{km/h}$
Ratio of their speeds $= 42 : 63 = 2 : 3$ (Divide by $21$).
View full question & answer→MCQ 1611 Mark
Find $x$ if $x : 3$ $= 80 : 120.$
AnswerWe have
$x : 3 = 80 : 120$
$\Rightarrow\frac{\text{x}}{3}=\frac{80}{120}$
$\Rightarrow\text{x}=\frac{80\times3}{120}$
$\therefore\text{x}=2$
View full question & answer→MCQ 1621 Mark
The simplest form of $24 : 36$ is.
- A
$9 : 4$
- B
$4 : 9$
- C
$3 : 2$
- ✓
$2 : 3$
AnswerCorrect option: D. $2 : 3$
$\text{Now }24:36=\frac{24}{36}=\frac{2\times12}{3\times12}=\frac{2}{3}=2:3$
View full question & answer→MCQ 1631 Mark
Mark $(\checkmark)$ against the correct answer in the following.
The ratio of boys and girls in a school is $12 : 5$. If the number of girls is $840$, the total strength of the school is:
- A
$1190$
- B
$2380$
- ✓
$2856$
- D
$2142$
AnswerCorrect option: C. $2856$
Total strength of school
$\text{Largest}=\frac{840}{5}\times(12+5)$
$=\frac{840\times17}{5}$
$=168\times17$
$=2856$
View full question & answer→MCQ 1641 Mark
Mark $(\checkmark)$ against the correct answer in the following.
In a fort, $550$ men had provisions for $28$ days. How many days will it last for 700 men?
- ✓
$22\text{ days}$
- B
$35\frac{7}{11}$
- C
$34\text{ days}$
- D
AnswerCorrect option: A. $22\text{ days}$
$\frac{28\times550}{700}$
$=22\text{ days} $
View full question & answer→MCQ 1651 Mark
The ratio of the incomes of Kamala and Vimala is $2 : 3$ If Kamalas income is $Rs. 9000$ then Vimalas income is
- ✓
$Rs. 13,500$
- B
$Rs. 6000$
- C
$Rs. 12,000$
- D
AnswerCorrect option: A. $Rs. 13,500$
Let Vimalas income be $x$, Then according to the question $\frac{9000}{\text{x}}=\frac{2}{3}$
$\therefore\text{x}=\frac{9000\times3}{2}$ Vimalas income is $Rs. 13,500$
View full question & answer→MCQ 1661 Mark
Mark $(\checkmark)$ against the correct answer in the following:
$10$ boys can dig a pitch in $12$ hours. How long will $8$ boys take to do it?
- A
$9$hrs $36$min
- ✓
$15$ hours
- C
$6$hrs $40$min
- D
$13$hrs $10$min
AnswerCorrect option: B. $15$ hours
Time taken by $10$ boys to dig a pitch $= 12$ hours
Time taken by $1$ boy to dig a pitch $= 12 \times 10 = 120$ hours. (Less boys would take more hours.)
Time taken by $8$ boys to dig a pitch $=\frac{120}{8}=15\text{ hours}$
View full question & answer→MCQ 1671 Mark
A bag contains $50$ paise $1$ rupee and $2$ rupee coins in the ratio $2 : 3 : 4$ If the total amount is $Rs. 240$ What is the total number of coins?
AnswerLet the $50$ paise, $1$ rupee and $2$ rupee coins bag is $2x, 3x$ and $4x$ Then
total ruppe in bag $= 50\times 2x + 1 \times 3x + 2\times 4x = 240$
$\Rightarrow x + 3x + 8x = 240$
$\Rightarrow 12x = 240$
$\Rightarrow x = 20$ Then total number of coins are
$= 9 \times 20 = 180$
View full question & answer→MCQ 1681 Mark
The ratio of $Rs. 3$ and $60$ Paise is.
- A
$1 : 20$
- ✓
$5 : 1$
- C
$1 : 2$
- D
$20 : 1$
AnswerCorrect option: B. $5 : 1$
$Rs. 3 = 3 \times 100 = 300$
$\Rightarrow\frac{\text{Rs. 3}}{60\text{ paise}}=\frac{300\text{ paise}}{60\text{ paise}}=\frac{5}{1}=5:1$
View full question & answer→MCQ 1691 Mark
$16 : 24 =$ ____.
- A
$2 : 3$
- B
$22 : 33$
- C
$18 : 27$
- ✓
AnswerAll of the above
Since $16 : 24 = 2 : 3 = 22 : 33 = 18 : 27$
View full question & answer→MCQ 1701 Mark
The cost of $8$ almirahs is $₹ 8000$. The cost of $1$ almirah is
- ✓
$₹ 1000$
- B
$₹ 2000$
- C
$₹ 4000$
- D
$₹ 6000.$
AnswerCorrect option: A. $₹ 1000$
$₹ 1000$
View full question & answer→MCQ 1711 Mark
$150\ kg$ of oil can be filled in $10$ containers. To fill $750\ kg$ of oil, how many containers will be required?
View full question & answer→MCQ 1721 Mark
The fare for $5$ tickets from Kosi Kalan to Mathura is $₹ 150$. The fare for $3$ tickets is
- ✓
$₹ 90$
- B
$₹ 60$
- C
$₹ 75$
- D
$₹ 45.$
AnswerCorrect option: A. $₹ 90$
$₹ 90$
View full question & answer→MCQ 1731 Mark
An aeroplane covers a distance of $5000\ km$ in $5$ hours. How much distance will it cover in $2$ hours?
- A
$1000\ km$
- ✓
$2000\ km$
- C
$3000\ km$
- D
$4000\ km.$
AnswerCorrect option: B. $2000\ km$
$2000\ km$
View full question & answer→MCQ 1741 Mark
The salary of a month of an employee is $₹ 4000$. The annual salary of the employee is
- ✓
$₹ 48000$
- B
$₹ 24000$
- C
$₹ 12000$
- D
$₹ 8000.$
AnswerCorrect option: A. $₹ 48000$
$₹ 48000$
View full question & answer→MCQ 1751 Mark
The cost of $20 m$ of cloth is $₹ 400$. The cost of $15 m$ of cloth is
- A
$₹ 100$
- B
$₹ 200$
- ✓
$₹ 300$
- D
$₹ 360.$
AnswerCorrect option: C. $₹ 300$
$₹ 300$
View full question & answer→MCQ 1761 Mark
The weight of $50$ books is $10\ kg$. The weight of $25$ books is
- ✓
$5\ kg$
- B
$8\ kg$
- C
$6\ kg$
- D
$4\ kg.$
AnswerCorrect option: A. $5\ kg$
$5\ kg$
View full question & answer→MCQ 1771 Mark
The cost of $5\ kg$ of tomatoes is $₹ 100$. The cost of $2\ kg$ of tomatoes is
- A
$₹ 20$
- ✓
$₹ 40$
- C
$₹ 30$
- D
$₹ 50.$
AnswerCorrect option: B. $₹ 40$
$₹ 40$
View full question & answer→MCQ 1781 Mark
The cost of $3$ envelopes is $₹ 15$. The cost of $10$ envelopes is
- A
$₹ 20$
- B
$₹ 30$
- C
$₹ 45$
- ✓
$₹ 50$.
AnswerCorrect option: D. $₹ 50$.
$₹ 50$.
View full question & answer→MCQ 1791 Mark
The cost of $1$ dozen pens is $₹ 24$. Find the cost of $30$ pens.
- A
$₹ 40$
- B
$₹ 45$
- C
$₹ 30$
- ✓
$₹ 60.$
AnswerCorrect option: D. $₹ 60.$
$₹ 60.$
View full question & answer→MCQ 1801 Mark
The cost of $10$ notebooks is $₹ 100$. The cost of $1$ notebook is
- ✓
$₹ 10$
- B
$₹ 100$
- C
$₹ 20$
- D
$₹ 5.$
AnswerCorrect option: A. $₹ 10$
$₹ 10$
View full question & answer→MCQ 1811 Mark
A car requires $5$ litres of petrol to cover $80\ km$. How many litres of petrol are required to cover $32\ km$?
View full question & answer→MCQ 1821 Mark
Which of the following statement is not true?
- ✓
$4 : 7 = 5 : 9$
- B
$₹ 5 : ₹ 25 = 12g : 60g$
- C
$30 : 80 = 6 : 16$
- D
$12 : 36 = 14 : 42.$
AnswerCorrect option: A. $4 : 7 = 5 : 9$
$4 : 7 = 5 : 9$
View full question & answer→MCQ 1831 Mark
Which of the following is false?
- A
$50600, 8500, 7235, 4000$
- B
$50600, 8500, 4000, 7200$
- ✓
$50600, 7235, 8500, 4000$
- D
$50600, 7235, 4000, 8500$
AnswerCorrect option: C. $50600, 7235, 8500, 4000$
$50600, 7235, 8500, 4000$
View full question & answer→MCQ 1841 Mark
Which of the following is true?
- A
$7500, 2000, 525, 132$
- ✓
$132, 525, 2000, 7500$
- C
$132, 525, 7500, 2000$
- D
$7500, 2000, 132, 525$
AnswerCorrect option: B. $132, 525, 2000, 7500$
$132, 525, 2000, 7500$
View full question & answer→MCQ 1851 Mark
Which of the following are in proportion?
- ✓
$2,3,20,30$
- B
$3,4,15,18$
- C
$1,3,11,22$
- D
$2,5,40,80.$
AnswerCorrect option: A. $2,3,20,30$
$2,3,20,30$
View full question & answer→MCQ 1861 Mark
$₹ 100$ are divided between Sangeeta and Manish in the ratio $4:1$. Find the amount Sangeeta gets.
- ✓
$₹ 80$
- B
$₹ 20$
- C
$₹ 60$
- D
$₹ 50.$
AnswerCorrect option: A. $₹ 80$
$₹ 80$
View full question & answer→MCQ 1871 Mark
$100$ students appeared in annual examination. $60$ students passed. The ratio of the number of students who failed to the total number of students is
- A
$5:2$
- ✓
$2:5$
- C
$2:3$
- D
$3:2.$
View full question & answer→MCQ 1881 Mark
The present age of Hari Kishan is $60$ years. The present age of Manish is $30$ years. The ratio of the age of Manish to the age of Hari Kishan $10$ years ago was
- ✓
$2:5$
- B
$5:2$
- C
$2:3$
- D
$3:2.$
View full question & answer→MCQ 1891 Mark
The cost of $1$ dozen bananas is $₹ 30.$ The cost of $6$ oranges is $₹ 18$. The ratio of the cost of a i banana to the cost of an orange is
- A
$3:2$
- B
$2:3$
- C
$6:5$
- ✓
$5:6.$
AnswerCorrect option: D. $5:6.$
$5:6.$
View full question & answer→MCQ 1901 Mark
Out of $30$ students in a class, $20$ like cricket and $10$ like Hockey. The ratio of the number of students liking Hockey to the total number of students is
- A
$3:1$
- ✓
$1:3$
- C
$2:3$
- D
$1:2.$
View full question & answer→MCQ 1911 Mark
The ratio of $25$ minutes to $1$ hour is
- A
$7:5$
- ✓
$5:12$
- C
$12:5$
- D
$5:7.$
AnswerCorrect option: B. $5:12$
$5:12$
View full question & answer→MCQ 1921 Mark
There are $20$ teachers in a school of $500$ students. The ratio of the number of teachers to the number of students is
- A
$1:20$
- B
$1:50$
- ✓
$1:25$
- D
$25:1.$
AnswerCorrect option: C. $1:25$
$1:25$
View full question & answer→MCQ 1931 Mark
Which of the following ratios is not equiva-lent to $10:5$?
- ✓
$1:2$
- B
$2:1$
- C
$20:10$
- D
$30:15$.
View full question & answer→MCQ 1941 Mark
Which of the following ratios is equivalent to $2:3$?
- A
$4:8$
- B
$4:9$
- ✓
$6:9$
- D
$6:12.$
View full question & answer→MCQ 1951 Mark
In a family, there are $8$ males and $4$ females. The ratio of the number of females to the number of males is
- ✓
$1:2$
- B
$1:4$
- C
$1:8$
- D
$2:1.$
View full question & answer→MCQ 1961 Mark
The ratio $40\ cm$ to $1\ m$ is
- ✓
$2:5$
- B
$3:5$
- C
$4:5$
- D
$5:2.$
View full question & answer→MCQ 1971 Mark
The length and breadth of a rectangular park are $50\ m$ and $40\ m$ respectively. Find the ratio of the length to the breadth of the park.
- A
$4:5$
- B
$4:1$
- C
$5:1$
- ✓
$5:4.$
AnswerCorrect option: D. $5:4.$
$5:4.$
View full question & answer→MCQ 1981 Mark
The speed of Shubham is $6\ km$ per hour. The speed of Yash is $2\ km$ per hour. The ratio of the speed of Shubham to the speed of Yash is
- A
$2:3$
- ✓
$3:1$
- C
$1:3$
- D
$3:2.$
View full question & answer→MCQ 1991 Mark
The cost of a car is $₹ 3,00,000$. The cost of a motorbike is $₹ 50,000.$ The ratio of the cost of motorbike to the cost of car is
- ✓
$1:6$
- B
$1:5$
- C
$1:4$
- D
$1:3.$
View full question & answer→MCQ 2001 Mark
The height of Apala is $150\ cm$. The height of Pari is $120\ cm$. The ratio of the height of Apala to the height of Pari is
- A
$4:5$
- ✓
$5:4$
- C
$5:2$
- D
$4:1.$
View full question & answer→