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 154easy
The difference of the squares of two consecutive even integers is divisible by which of the following integers ?
Question 155easy
Which one of the following is a prime number ?
Question 156easy
The sum of even numbers between 1 and 31 is:
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Question 157easy
If (64)2 - (36)2 = 20 × x, then x = ?
Question 158easy
What is the unit digit in the product (365 × 659 × 771)?
Question 159easy
A number when divided successively by 4 and 5 leaves remainders 1 and 4 respectively. When it is successively divided by 5 and 4, then the respective remainders will be
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Question 160easy
The sum of all three digit numbers, each of which on divide by 5 leaves remainder 3, is -
Question 161easy
What least value must be assigned to '*' so that the number 63576 * 2 is divisible by 8 ?
Question 162easy
The number 1, 3, 5, 7. . . . . 99 and 128 are multiplied together. The number of zeros at the end of the product must be -