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 559easy
136 × 12 × 8 = ?
Question 560easy
The number of digits in the smallest number, which when multiplied by 7 yields all nines, is :
Question 561easy
Let a number of three digits have for its middle digit the sum of the other two digits. Then it is a multiple of :
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Question 562easy
If n is a whole number greater than 1, then n2 (n2 - 1) is always divisible by :
Question 563easy
The smallest 4-digit number exactly divisible by 7 is :
Question 564easy
How many 3-digit numbers are completely divisible by 6 ?
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Question 565easy
The difference between two numbers is 1365. When the large number is divided by the smaller one, the quotient is 6 and the remainder is 15. What is the smaller number ?
Question 566easy
(719 + 2) is divided by 6. The remainder is :
Question 567easy
If the square of sum of three positive consecutive natural number exceeds the sum of their squares by 292, then what is the largest of the three number?