Mathematics · Basic Arithmetic & Number Systems · page 1 of 24

Integers and Decimals MCQs with Answers

Includes 30 past paper MCQs (marked).

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Integers and Decimals MCQs (1–10)

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

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1.
Past Paper MCQ
What is the value of $0.057 - 0.0041$?
Correct Answer: A. $0.0529$
One-liner
The value of $0.057 - 0.0041$ is $0.0529$.
2.
Past Paper MCQ
$0.005 \times 0.2 =$ ?
Correct Answer: A. $0.001$
One-liner
The product of $0.005$ and $0.2$ is $0.001$.
3.
$120 \times 0.3 =$ _?
Correct Answer: C. $36$
One-liner
The product of $120$ and $0.3$ is $36$.
4.
What is $0.8 \div 0.1$?
Correct Answer: C. $8$
One-liner
The result of $0.8 \div 0.1$ is $8$.
5.
Which of the following statements is false?
Correct Answer: B. $-5 + 1 = 4$
One-liner
The false statement is $-5 + 1 = 4$, because adding a positive number to a negative number yields $-4$, not $4$.
6.
The sum of the 4th multiple of 3 and the 6th multiple of 2 is:
Correct Answer: C. $24$
One-liner
The 4th multiple of 3 is $12$, the 6th multiple of 2 is $12$, and their sum is $24$.
7.
$0.007 \div 0.347 = ?$
Correct Answer: C. $0.0202$
One-liner
The value of $0.007 \div 0.347$ is approximately $0.0202$.
8.
If $+5$ means a profit of Rs. $5$, then $-5$ means?
Correct Answer: D. Loss of Rs. $5$
One-liner
Since $+5$ represents a profit of Rs. $5$, the opposite sign $-5$ represents a loss of Rs. $5$.
9.
What is the value of $-3 + 12$?
Correct Answer: C. $\sqrt{81}$
One-liner
The value of $-3 + 12$ is $\sqrt{81}$, which equals $9$.
10.
The smallest 6-digit number is _?
Correct Answer: D. $100,000$
One-liner
The smallest 6-digit number is $100,000$.