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18 questions · timed · auto-graded

MCQ 11 Mark
Which of the following are in continued proportion?
  • A
    4, 8, 12
  • B
    5, 15, 25
  • 6, 36, 216
  • D
    9,12,18
Answer
Correct option: C.
6, 36, 216
C
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MCQ 71 Mark
The ratio $\frac{1}{8}: \frac{1}{12}$ converted to the simplest form is
  • A
    12 : 8
  • 3 : 2
  • C
    2 : 5
  • D
    8 : 20
Answer
Correct option: B.
3 : 2
B
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MCQ 91 Mark
In class 6 , the ratio of number of girls to the number of boys is $3: 5$. In 7 th class, the ratio is $9: 13$. In which class there are more girls?
  • A
    6th class
  • B
    7th class
  • C
    Both have equal number of girls
  • Can't say
Answer
Correct option: D.
Can't say
D
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MCQ 101 Mark
5 mangoes and 4 oranges cost as much as 3 mangoes and 7 oranges. The ratio of the cost of 1 mango to that of 1 orange is:
  • A
    $4: 3$
  • B
    $1: 3$
  • $3: 2$
  • D
    $5: 2$
Answer
Correct option: C.
$3: 2$
C
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MCQ 111 Mark
Deepa and Mahima both start reading the same book on the same day. Deepa reads 6 pages a day and Mahima reads 9. What page will Mahima be on when Deepa is on page 72?
  • A
    81
  • B
    99
  • C
    102
  • 108
Answer
Correct option: D.
108
D
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MCQ 121 Mark
A man has 25 paise, 50 paise and 1 rupee coins. There are 220 coins in all and the total amount is ₹ 160. If there are thrice as many 1 rupee coins as there are 25 paise coins, then the number of 50 paise coins is:
  • 60
  • B
    120
  • C
    40
  • D
    80
Answer
Correct option: A.
60
A
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MCQ 131 Mark
If $A : B =7: 8$ and $B : C =7: 9$, then $A : B : C$ is:
  • A
    $56: 49: 72$
  • $49: 56: 72$
  • C
    $56: 72: 49$
  • D
    $72: 56: 49$
Answer
Correct option: B.
$49: 56: 72$
B
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MCQ 141 Mark
A bag contains ₹ 2 , ₹ 5 and ₹ 10 coins in the ratio $5: 7: 8$, whose total value is ₹ 1250 . The number of ₹ 5 coins in the bag is:
  • 70
  • B
    91
  • C
    84
  • D
    78
Answer
Correct option: A.
70
A
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MCQ 151 Mark
If $x: y=2: 3$ and $y: z=4: 5$, then $z: x$ is equal to:
  • A
    $8: 15$
  • $15: 8$
  • C
    $6: 5$
  • D
    $8: 5$
Answer
Correct option: B.
$15: 8$
B
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MCQ 181 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
    $25: 6$
Answer
Correct option: B.
$2: 3$
B
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MCQ - MATHS STD 7 Questions - Vidyadip