Quantitative Aptitude - MCQ Practice Questions

What is the least common multiple (LCM) of 12, 18, and 24?

If x is a natural number such that x² = 169, what is the value of x?

A number when divided by 8 leaves remainder 5. Which of the following could be the number?

If the sum of three consecutive integers is 45, what is the smallest integer?

A perfect square has how many odd divisors if the number is 144?

The product of two numbers is 120 and their GCD is 4. What is their LCM?

If a number is represented as 2³ × 3² × 5¹, how many divisors does it have?

What is the sum of all divisors of 20?

A number leaves remainder 3 when divided by 7 and remainder 5 when divided by 11. Which number satisfies both conditions?

Find the smallest number greater than 100 that is divisible by 6, 8, and 9 simultaneously.

If the sum of divisors of a number n is 48 and the number itself is 20, is this possible? (Note: excluding the number itself from divisors)

What is the remainder when 2^100 is divided by 7?

Find the HCF of 144 and 96.

If a number is divisible by both 6 and 8, what is the smallest such number?

What is the unit digit of 7^2019?

Two numbers have HCF = 6 and LCM = 60. If one number is 12, find the other.

How many numbers between 1 and 100 are divisible by 3 but not by 5?

Find the value of 3^5 mod 11.

If a = 2^4 × 3^3 × 5 and b = 2^3 × 3^2 × 5^2, find HCF(a,b).

How many numbers between 50 and 150 are divisible by 7?