Questions · Page 8 of 8

M.C.Q. [1 Marks Each]

MCQ 3511 Mark
What is $5\%$ of $200?$
  • A
    $2$
  • B
    $5$
  • $10$
  • D
    $100$
Answer
Correct option: C.
$10$
$5 \%$ of $200=\frac{5}{100} \times 200=10$
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MCQ 3521 Mark
A basket is full of bananas, mangoes and apples. If $50\%$ are mangoes, $30\%$ are apples, then what per cent are bananas?
  • A
    $0.1$
  • $0.2$
  • C
    $0.25$
  • D
    $0.4$
Answer
Correct option: B.
$0.2$
$=100 \%-(50 \%+30 \%)=20 \%$
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MCQ 3531 Mark
If $40\%$ of students in a class are Hindus, what per cent of the students are non – Hindus?
  • A
    $0.4$
  • B
    $0.1$
  • C
    $0.5$
  • $0.6$
Answer
Correct option: D.
$0.6$
$100\% – 40\% = 60\%.$
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MCQ 3541 Mark
There are $100$ voters. $50$ of them votes yes. What per cent voted yes?
  • A
    $0.1$
  • B
    $ 25\%$
  • $0.5$
  • D
    $0.15$
Answer
Correct option: C.
$0.5$
Required percentage $=\frac{50}{100} \times 100 \%=50 \%$
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MCQ 3551 Mark
A shop has $50$ televisions, out of which $5$ are defective, defective? What per cent are
  • A
    $0.05$
  • B
    $0.1$
  • C
    $0.5$
  • $0.25$
Answer
Correct option: D.
$0.25$
Percentage of defective television $=\frac{5}{50} \times 100 \%=10 \%$
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MCQ 3561 Mark
Out of $25$ students, $5$ are absent. What per cent of the students are absent?
  • A
    $0.1$
  • $0.2$
  • C
    $0.25$
  • D
    $0.3$
Answer
Correct option: B.
$0.2$
Per cent of students that are absent $=\frac{5}{25} \times 100 \%=20 \%$
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MCQ 3571 Mark
Out of $40$ children in a class, $10$ are boys. What is the percentage of boys?
  • A
    $0.1$
  • B
    $0.4$
  • C
    $0.04$
  • $0.25$
Answer
Correct option: D.
$0.25$
Percentage of boys $=\frac{10}{40} \times 100 \%=25 \%$
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MCQ 3581 Mark
$\frac{2}{2}$ as per cent is
  • A
    $19 \%$
  • B
    $10 \%$
  • $100 \%$
  • D
    none of these
Answer
Correct option: C.
$100 \%$
c
$\frac{2}{2}=\frac{2}{2} \times 100 \%=100 \%$
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MCQ 3591 Mark
$0.04$ as per cent is
  • A
    $0.1$
  • B
    $0.2$
  • C
    $0.25$
  • $0.04$
Answer
Correct option: D.
$0.04$
$0.04=\frac{4}{100}=\frac{4}{100} \times 100 \%=4 \%$
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MCQ 3601 Mark
$0.1$ as per cent is
  • A
    $0.01$
  • $0.1$
  • C
    $1$
  • D
    $ 0.1\%$
Answer
Correct option: B.
$0.1$
$0.1=\frac{1}{10}=\frac{1}{10} \times 100 \%=10 \%$
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MCQ 3611 Mark
$\frac{5}{2}$ as per cent is
  • A
    $125 \%$
  • B
    $150 \%$
  • C
    $200 \%$
  • $250 \%$
Answer
Correct option: D.
$250 \%$
d
$\frac{5}{2}=\frac{5}{2} \times 100 \%=250 \%$
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MCQ 3621 Mark
$\frac{1}{8}$ as per cent is
  • A
    $25 \%$
  • $121 \%$
  • C
    $20 \%$
  • D
    $16 \%$
Answer
Correct option: B.
$121 \%$
b
$\frac{1}{8}=\frac{1}{8} \times 100 \%=12 \frac{1}{2} \%$
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MCQ 3631 Mark
$\frac{1}{4}$ as per cent is
  • A
    $20 \%$
  • $25 \%$
  • C
    $30 \%$
  • D
    $12 \frac{1}{2} \%$
Answer
Correct option: B.
$25 \%$
b
$\frac{1}{4}=\frac{1}{4} \times 100 \%=25 \%$
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MCQ 3641 Mark
A motorcycle goes $120 \ km$ in $3 l$ of petrol. How much petrol will be required to go $600 \ km?$
  • A
    $10 l$
  • B
    $12 l$
  • $15 l$
  • D
    $20 l$
Answer
Correct option: C.
$15 l$
$120: 600=3: x$
$\Rightarrow \frac{120}{600}=\frac{3}{x} \Rightarrow x=15$
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MCQ 3651 Mark
The cost of $8$ pencils is $₹ 10$. Find the cost of $20$ pencils.
  • A
    $₹ 20$
  • $₹ 25$
  • C
    $₹ 24$
  • D
    $₹ 30$
Answer
Correct option: B.
$₹ 25$
$8.4: 9=40: x$
$\Rightarrow \frac{4}{9}=\frac{40}{x} \Rightarrow x=90$
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MCQ 3661 Mark
The cost of $4 \ m$ of cloth is $Rs 40$. Find the cost of $9 \ m$ of cloth.
  • $₹ 90$
  • B
    $₹ 60$
  • C
    $₹ 50$
  • D
    $₹ 40$
Answer
Correct option: A.
$₹ 90$
$8.4: 9=40: x$
$\Rightarrow \frac{4}{9}=\frac{40}{x} \Rightarrow x=90$
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MCQ 3671 Mark
The cost of $7 kg$ of potatoes is $₹ 42$. How many kg of potatoes can be purchased for $₹ 96?$
  • A
    $10 \ kg$
  • B
    $12 \ kg$
  • C
    $15 \ kg$
  • $16 \ kg$
Answer
Correct option: D.
$16 \ kg$
$7.7: x=42: 96$
$\Rightarrow \frac{7}{x}=\frac{42}{96} \Rightarrow x=16$
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MCQ 3681 Mark
The cost of $3$ envelopes is $₹ 15$. Find the cost of $5$ envelopes.
  • A
    $₹ 20$
  • $₹ 25$
  • C
    $₹ 30$
  • D
    $₹ 40$
Answer
Correct option: B.
$₹ 25$
$3: 5=15: x$
$\Rightarrow \frac{3}{5}=\frac{15}{x} \Rightarrow x=25$
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MCQ 3691 Mark
The ages of father and son are $45$ years and $10$ years. The ratio of their ages is
  • A
    $3 : 2$
  • B
    $5 : 2$
  • $9 : 2$
  • D
    $15 : 2$
Answer
Correct option: C.
$9 : 2$
$45$ years $: 10$ years $\Rightarrow 9 : 2$
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MCQ 3701 Mark
The ratio of $15$ days to $72$ hours is
  • A
    $2 : 1$
  • B
    $3 : 1$
  • C
    $4 : 1$
  • $5 : 1$
Answer
Correct option: D.
$5 : 1$
$15$ days $: 72$ hours
$= 15 \times 24$ hours $: 72$ hours
$= 15 \times 24 : 72 = 5 : 1$
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MCQ 3711 Mark
The ratio of $3 \ m$ to $60 \ cm$ is
  • A
    $4 : 1$
  • B
    $3 : 1$
  • $5 : 1$
  • D
    $2 : 1$
Answer
Correct option: C.
$5 : 1$
$3 \mathrm{~m}: 60 \mathrm{~cm}=3 \times 100 \mathrm{~cm}: 60 \mathrm{~cm}$
$=300: 60=5: 1$
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MCQ 3721 Mark
The ratio of $6 \ kg$ to $400 \ g$ is
  • A
    $10 : 1$
  • $15 : 1$
  • C
    $12 : 1$
  • D
    $6 : 1$
Answer
Correct option: B.
$15 : 1$
$6 \mathrm{~kg}: 400 \mathrm{~g}=6 \times 1000 \mathrm{~g}: 400 \mathrm{~g}$
$=6000: 400=15: 1$
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MCQ 3731 Mark
The ratio of $Rs 10$ to $50$ paise is
  • $20 : 1$
  • B
    $10 : 1$
  • C
    $5 : 1$
  • D
    $1 : 20$
Answer
Correct option: A.
$20 : 1$
$Rs 10 : 50$ paise $= 10 \times 100$ paise: $50$ paise $= 1000 : 50 = 20 : 1$
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M.C.Q. [1 Marks Each] - Page 8 - MATHS STD 7 Questions - Vidyadip