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 last two digits of 1725617^{256}17256 are:
The last two digits of 1725617^{256}17256 are:
Which of the following is not a prime number?
Which of the following is not a prime number?
The remainder when 414141^{41}4141 is divided by 5 is:
The remainder when 414141^{41}4141 is divided by 5 is:
The remainder when 71007^{100}7100 is divided by 13 is:
The remainder when 71007^{100}7100 is divided by 13 is:
The smallest prime number greater than 100 is:
The smallest prime number greater than 100 is:
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 product of first 5 prime numbers is:
The product of first 5 prime numbers is:
The number of factors of 840 which are perfect squares is:
The number of factors of 840 which are perfect squares is:
The number of prime numbers less than 100 is:
The number of prime numbers less than 100 is:
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 sum of first 20 odd numbers is:
The sum of first 20 odd numbers is:
Which of the following numbers is divisible by both 8 and 12?
Which of the following numbers is divisible by both 8 and 12?
The number of 4-digit numbers divisible by 6 is:
The number of 4-digit numbers divisible by 6 is:
The HCF of 2.1, 0.63 and 0.105 is:
The HCF of 2.1, 0.63 and 0.105 is:
The number of integers between 1 and 1000 divisible by neither 2, 3 nor 5 is:
The number of integers between 1 and 1000 divisible by neither 2, 3 nor 5 is:
If the LCM of two numbers is 168 and HCF is 12, then the product of the two numbers is:
If the LCM of two numbers is 168 and HCF is 12, then the product of the two numbers 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:
If 2x = 64, then x is:
If 2x = 64, then x is:
If a number ends with 25, its square ends with:
If a number ends with 25, its square ends with:
The sum of the first 50 natural numbers is:
The sum of the first 50 natural numbers is:
The largest 4-digit number exactly divisible by 88 is:
The largest 4-digit number exactly divisible by 88 is:
The smallest prime factor of 91 is:
The smallest prime factor of 91 is:
The product of two consecutive odd numbers is always:
The product of two consecutive odd numbers is always:
The number of positive divisors of 360 is:
The number of positive divisors of 360 is: