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MATHS MCQ

Fractions and Decimals · ICSE STD 7 (ICSE - English Medium). 18 questions.

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18 questions · timed · auto-graded

MCQ 11 Mark
Which of the following numbers has the smallest value?
  • A
    0.0002
  • B
    $\frac{2}{1000}$
  • ✓
    $0.02 \times 0.001$
  • D
    $\frac{2}{1000} \div 0.01$
Answer
Correct option: C.
$0.02 \times 0.001$
(c) 0.02 × 0.001
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MCQ 21 Mark
If each side of a regular hexagon is 3.5 cm, then the perimeter of the hexagon is
  • A
    17.5 cm
  • B
    21 cm
  • C
    18.5 cm
  • D
    24.5 cm
Answer
Each side of a regular hexagon = 3.5 cm
Its perimeter = 3.5 × 6 = 21 cm (b)
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MCQ 71 Mark
The value of the mixed fraction $5 \frac{3}{8}$ is
  • A
    $5.735$
  • ✓
    $5.375$
  • C
    $5.625$
  • D
    $5.875$
Answer
Correct option: B.
$5.375$
$5 \frac{3}{8}=5.375$
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MCQ 91 Mark
The place value of the digit 7 in the decimal number 35.0471 is
  • A
    7
  • B
    $\frac{7}{100}$
  • C
    $\frac{1}{1000}$
  • D
    $\frac{7}{1000}$
Answer
Place value of 7 in $35.0471=\frac{7}{1000}$ (d)
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MCQ 101 Mark
Shruti reads a novel for $1 \frac{3}{4}$ hours daily, if she reads the entire novel in 6 days, then the time she takes to read the entire novel is
  • A
    $7 \frac{1}{2}$ hours
  • B
    $9 \frac{1}{2}$ hours
  • C
    $10 \frac{1}{2}$ hours
  • D
    $11 \frac{1}{2}$ hours
Answer
A novel is read per day $=1 \frac{3}{4}=\frac{7}{4}$ hours
Novel is read in 6 days
Total time $=\frac{7}{4} \times 6=\frac{21}{2}=10 \frac{1}{2}$ ©
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MCQ 111 Mark
Arif bought 3 dozen eggs. He found $\frac{1}{9}$ of them were rotten. The number of rotten eggs was
  • A
    4
  • B
    3
  • C
    6
  • D
    8
Answer
Total eggs $=3$ dozen $=3 \times 12=36$
Number of rotten $=\frac{1}{9}$ of $36=4$ (a)
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MCQ 121 Mark
If $\frac{3}{4}$ of a number is 12 , then the number is
  • A
    9
  • B
    16
  • C
    18
  • D
    32
Answer
If $\frac{3}{4}$ of a number $=12$
Then number $=12 \times \frac{4}{3}=16(b)$
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MCQ 131 Mark
$5 \frac{1}{6} \div 4 \frac{1}{2}$ is equal to
  • A
    $\frac{31}{6}$
  • B
    $\frac{1}{27}$
  • C
    $5 \frac{1}{27}$
  • D
    $1 \frac{4}{27}$
Answer
$\begin{aligned}
5 \frac{1}{6} & \div 4 \frac{1}{2} \\
& =\frac{31}{6} \div \frac{9}{2}=\frac{31}{6} \times \frac{2}{9} \\
& =\frac{31}{27}=1 \frac{4}{27}
\end{aligned}$
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MCQ 141 Mark
$2 \frac{1}{5} \div 1 \frac{1}{5}$ is equal to
  • A
    2
  • B
    $1 \frac{1}{5}$
  • C
    $2 \frac{1}{6}$
  • D
    $1 \frac{5}{6}$
Answer
$\begin{aligned}
2 \frac{1}{5} & \div 1 \frac{1}{5}=\frac{11}{5} \div \frac{6}{5} \\
& =\frac{11}{5} \times \frac{5}{6}=\frac{11}{6}=1 \frac{5}{6}
\end{aligned}$
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MCQ 151 Mark
If the cost of $1 kg$ almonds is ₹ 460 , then the cost of $\frac{2}{5} kg$ of almonds is
  • A
    ₹ 92
  • B
    ₹ 184
  • C
    ₹ 230
  • D
    ₹ 1200
Answer
Cost of 1 kg almonds =₹ 460
Cost of $\frac{2}{5}$ kg = ₹ 460 $\times \frac{2}{5}$ = ₹ 184
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MCQ 161 Mark
The fraction $\frac{11}{7}$ lies between
  • A
    11 and 7
  • B
    1 and 2
  • C
    $0$ and $1$
  • D
    2 and 3
Answer
The fraction $\frac{11}{7}=1 \frac{4}{7}$ lies between 1 and 2 (b)
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MCQ 171 Mark
The reciprocal of $5 \frac{2}{3}$ is
  • A
    $5 \frac{3}{2}$
  • B
    $3 \frac{2}{5}$
  • C
    $2 \frac{3}{5}$
  • D
    $\frac{3}{17}$
Answer
Reciprocal of $5 \frac{2}{3}$ or $\frac{17}{3}$ is $\frac{3}{17}$ (d)
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MCQ 181 Mark
$\frac{5}{6}$ of 480 is
  • A
    400
  • B
    576
  • C
    480
  • D
    none of these
Answer
$\frac{5}{6} \text { of } 480=\frac{5}{6} \times 480=400(a)$
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