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Number System MCQs

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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 1easy

Find the remainder when 73 × 75 × 78 × 57 × 197 × 37 is divided by 34.

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Question 2easy

Find the remainder when 6799 is divided by 7.

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Question 3easy

Let N = 1421 × 1423 × 1425. What is the remainder when N is divided by 12?

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Question 4easy

Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:

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Question 5easy

What is the least number of soldiers that can be drawn up in troops of 12, 15, 18 and 20 soldiers and also in form of a solid square?

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Question 6easy

Find the least number which will leaves remainder 5 when divided by 8, 12, 16 and 20.

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Question 7easy

76n- 66n, where n is an integer >0, is divisible by

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Question 8easy

After the division of a number successively by 3, 4 and 7, the remainder obtained is 2, 1 and 4 respectively. What will be remainder if 84 divide the same number?

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Question 9easy

Find the remainder when 2256 is divided by 17.

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