Number System MCQs
Practice free Number System multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 807 questions — no login required.
Question 37easy
The LCM of two numbers is 1890 and their HCF is 30. If one of them is 270, the other will be
Question 38easy
Find the least number of five digits which when divided by 40, 60, and 75, leave remainders 31, 51 and 66 respectively.
Question 39easy
There are 576 boys and 448 girls in a school that are to be divided into equal sections of either boys or girls alone. Find the total number of sections thus formed?
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Question 45easy
The square of a number greater than 1000 that is not divisible by three, when divided by three, leaves a remainder of