Number System MCQs

807 questionsArithmetic-AbilityPage 78 of 90

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Question 694easy
What will be the unit digit in the 7105 ?
Question 695easy
If n = 1 + x, where x is the product of four consecutive positive integers, then which of the following is/are true ?
I. n is odd
II. n is prime
III. n is a perfect square
Question 696easy
If (6767 + 67) is divided by 68, the remainder is :
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Question 697easy
If (12n + 1) is divisible by 13, then n is :
Question 698easy
The unit digit in the product 771 × 663 × 365 = ?
Question 699easy
What is the number of prime factors contained in the product 307 × 225 × 3411 ?
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Question 700easy
If n is a whole number greater than 1, then n2 (n2 - 1) is always divisible by :
Question 701easy
Given that (12 + 22 + 32 + ..... + 202) = 2870, the value of (22 + 42 + 62 + ... + 402 ) is :
Question 702easy
The sum of the digits of a natural number (10n - 1) is 4707, where n is a natural number. The value of n is :
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