Mathematics · Basic Arithmetic & Number Systems · page 23 of 24

Integers and Decimals MCQs with Answers

Includes 30 past paper MCQs (marked).

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Integers and Decimals MCQs (221–230)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

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221.
How many zeros are in 100 million?
Correct Answer: C. 8
One-liner
100 million is written as $100{,}000{,}000$, which contains 8 zeros.
222.
Past Paper MCQ
The product of two numbers is $72$. If one of the numbers is $9$, find the other number.
Correct Answer: C. $8$
One-liner
The other number is $8$, since $9 \times 8 = 72$.
223.
What is $7 \times 8$?
Correct Answer: B. $56$
One-liner
The product of $7$ and $8$ is $56$.
224.
The smallest natural number is?
Correct Answer: B. $1$
One-liner
The smallest natural number is $1$.
225.
Add: $0.98 + 45.102 + 32.3333 + 31 + 0.00009 =$ _?
Correct Answer: D. $109.41539$
One-liner
The sum of the given decimals is $109.41539$.
226.
Which of the following is a rational number?
Correct Answer: D. None of these
One-liner
None of the given numbers is a rational number, so the correct answer is None of these.
227.
What number comes after $1{,}225{,}310$?
Correct Answer: C. $1{,}225{,}311$
One-liner
The number that comes immediately after $1{,}225{,}310$ is $1{,}225{,}311$.
228.
The place value of 2 in the number $62.53$ is ?
Correct Answer: C. 2 tens
One-liner
The place value of 2 in $62.53$ is 2 tens (or $20$).
229.
What is the value of $0.9 \times 0.15 \times 0.2$?
Correct Answer: D. $0.027$
One-liner
The value of $0.9 \times 0.15 \times 0.2$ is $0.027$.
230.
Select the following number that is exactly divisible by 4:
Correct Answer: B. 2000
One-liner
The number exactly divisible by 4 is 2000.