Problem Solving MCQ Set 24

Question: What is the total number of different divisors including 1 and the number that can divide the number 6400?

1. 24
2. 27
3. 54
4. 68

Question: How many four digit numbers exist which can be formed by using the digits 2, 3, 5 and 7 once only such that they are divisible by 25?

1. 4! - 3!
2. 4
3. 8
4. 6

Question: A certain number when successfully divided by 8 and 11 leaves remainders of 3 and 7 respectively. What will be remainder when the number is divided by the product of 8 and 11, viz 88?

1. 3
2. 21
3. 59
4. 68

Question: 'a' and 'b' are the lengths of the base and height of a right angled triangle whose hypotenuse is 'h'. If the values of 'a' and 'b' are positive integers, which of the following cannot be a value of the square of the hypotenuse?

1. 13
2. 23
3. 37
4. 41

Question: What is the reminder when 91 + 92 + 93 + ...... + 99 is divided by 6?

1. 0
2. 3
3. 4
4. None of these

Question: How many times will the digit '0' appear between 1 and 10,000?

1. 4000
2. 4003
3. 2893
4. 3892