Number System MCQs

807 questionsArithmetic-AbilityPage 15 of 90

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 127easy
If x : y be the ratio of two whole numbers and z be their HCF, then the LCM of those two numbers is:
Question 128easy
The sum of the digits of a two-digits numbers is 12 and when the digits of the to digit number are interchanged, the new number is 36 more than the original. What is the Original number?
Question 129easy
A certain number of the capsule were purchased for Rs. 176. Six more capsule could have been purchased in the same amount if each capsule were cheaper by Rs. 3. What was the number of capsules purchased?
Advertisement
Question 130easy
An even number can be expressed as the square of an integer as well as cube of another integer. Then the number has to be necessarily divisible by?
Question 131easy
The numerator and denominator of a fraction are in the ratio 3 : 4. If 9 is subtracted from the numerator, the resulting fraction in $$\frac{2}{3}$$ of the original fraction. The numerator of the original fraction is
Question 132easy
a, b, c and d are negative integers. If ab + ac + ad = 0 then a × b × c × d is always
Advertisement
Question 133easy
Which one of the following is not a prime number?
Question 134easy
(112 × 54) = ?
Question 135easy
It is being given that (232 + 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number?
1…141516…90