1. What is the least number that should be multiplied to 100! to make it perfectly divisible by 350?
1. 144
2. 72
3. 108
4. 216
Ans :B
2. What is the total number of different divisors of the number 7200?
1. 20
2. 4
3. 54
4. 32
Ans :C
3. How many times will the digit 0 appear between 1 and 10,000?
1. 4000
2. 4003
3. 2893
4. 3892
Ans :C
4. What is the reminder when 91 + 92 + 93 + ...... + 99 is divided by 6?
1. 0
2. 3
3. 4
4. None of these
Ans :B
1. 3
2. 21
3. 59
4. 68
Ans :C
1. 4! - 3!
2. 4
3. 8
4. 6
Ans :B
1. 24
2. 27
3. 54
4. 68
Ans :B
8. What is the highest power of 7 in 5000!? (5000! means factorial 5000)
1. 4998
2. 714
3. 832
4. 816
Ans :C
9. The largest number amongst the following that will perfectly divide 101100 - 1 is
1. 100
2. 10000
3. 100100
4. 100000
Ans : 2
10. Solve the inequality 33x-2 > 1
1. x > 1
2. x > 3
3. x > 2/3
4. x > 1/3
Ans :C