The sum of digits of any number divisible by 9 is always:
The sum of digits of any number divisible by 9 is always:
The remainder when 71007^{100}7100 is divided by 13 is:
The remainder when 71007^{100}7100 is divided by 13 is:
How many 3-digit numbers are divisible by 11?
How many 3-digit numbers are divisible by 11?
The smallest number divisible by 18, 24 and 32 is:
The smallest number divisible by 18, 24 and 32 is:
The number of prime factors of 300 is:
The number of prime factors of 300 is:
The smallest number which leaves a remainder 1 when divided by 2, 3, 4, 5, 6 is:
The smallest number which leaves a remainder 1 when divided by 2, 3, 4, 5, 6 is:
The number of 4-digit numbers divisible by 6 is:
The number of 4-digit numbers divisible by 6 is:
The last two digits of 1725617^{256}17256 are:
The last two digits of 1725617^{256}17256 are:
The smallest prime factor of 91 is:
The smallest prime factor of 91 is:
The number of positive divisors of 360 is:
The number of positive divisors of 360 is:
The remainder when 414141^{41}4141 is divided by 5 is:
The remainder when 414141^{41}4141 is divided by 5 is:
Which of the following is not a perfect cube?
Which of the following is not a perfect cube?
How many numbers are there between 1 and 100 divisible by both 2 and 3 but not by 5?
How many numbers are there between 1 and 100 divisible by both 2 and 3 but not by 5?
The sum of the digits in the number 10100−110^{100} - 110100−1 is:
The sum of the digits in the number 10100−110^{100} - 110100−1 is:
The greatest 3-digit number divisible by 27 is:
The greatest 3-digit number divisible by 27 is:
The HCF and LCM of two numbers are 21 and 4641 respectively. If one of the numbers is 189, find the other.
The HCF and LCM of two numbers are 21 and 4641 respectively. If one of the numbers is 189, find the other.
If 2x = 64, then x is:
If 2x = 64, then x is:
The sum of the first 50 natural numbers is:
The sum of the first 50 natural numbers is:
Which of the following is not a prime number?
Which of the following is not a prime number?
The largest 4-digit number exactly divisible by 88 is:
The largest 4-digit number exactly divisible by 88 is:
The smallest prime number greater than 100 is:
The smallest prime number greater than 100 is:
The sum of first 20 odd numbers is:
The sum of first 20 odd numbers is:
The product of first 5 prime numbers is:
The product of first 5 prime numbers is:
The product of two consecutive odd numbers is always:
The product of two consecutive odd numbers is always:
If a number ends with 25, its square ends with:
If a number ends with 25, its square ends with: