CSAT (Aptitude)·MCQ Practice
Arithmetic Operations — MCQ Practice
Constitution VerifiedUPSC Verified
Version 1Updated 6 Mar 2026
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.
Q1easy
What is the value of 15 + 20 ÷ 5 × 2 - 8?
Q2medium
Which of the following numbers is divisible by 6?
Q3easy
The HCF of two numbers is 12 and their product is 864. What is their LCM?
Q4medium
A sum of money at simple interest doubles itself in 8 years. In how many years will it become four times itself at the same rate?
Q5hard
A student was asked to find 3/5 of a number. Instead, he found 5/3 of it. If his answer was 160 more than the correct answer, what was the number?