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Max power of 2 that divides 7! exactly -

1. 1
2. 2
3. 4
4. 3

✅ Correct Answer: 3

Max power of 2 in 100! is -

1. 91
2. 97
3. 34
4. 23

✅ Correct Answer: 2

Max power of 3! in 100! is -

1. 48
2. 45
3. 12
4. 2

✅ Correct Answer: 1

Cyclocity of 1 is -

1. 2
2. 3
3. ifinite
4. 1

✅ Correct Answer: 4

Cyclociity of 2 is -

1. 4
2. 5
3. even number
4. 1

✅ Correct Answer: 1

Cyclocity of 3 is -

1. 3
2. 1
3. 2
4. 4

✅ Correct Answer: 4

Cyclocity of 5 is -

1. 5
2. 10
3. 15
4. 1

✅ Correct Answer: 4

Unit digit of number if number is 3 to the power 983 ?

1. 7
2. 1
3. 3
4. 4

✅ Correct Answer: 1

unit digit of number,if number is 7 to the power 542 ?

1. 7
2. 2
3. 9
4. 1

✅ Correct Answer: 3

Factorial of 5 is -

1. 5
2. 120
3. 720
4. 12

✅ Correct Answer: 2

factorial of 7 is -

1. 720
2. 7
3. 120
4. 5040

✅ Correct Answer: 4

Highest power of 4 in 10! ?

1. 5
2. 6
3. 4
4. 8

✅ Correct Answer: 3

Highest power of 16 in 60! -

1. 12
2. 13
3. 15
4. 14

✅ Correct Answer: 4

What will be the remainder when 1!+2!+3!+4!+.....+100! is divide by 4 ?

1. 2
2. 1
3. 4
4. 8

✅ Correct Answer: 2

What will the remainder when 1!+2!+3!+........100! is divided by 24 ?

1. 9
2. 8
3. 17
4. 13

✅ Correct Answer: 1

How many factors of 10! are a multiple of 7! ?

1. 15
2. 10
3. 30
4. 25

✅ Correct Answer: 3

HCF of 36,24,108 is

1. 13
2. 12
3. 24
4. 108

✅ Correct Answer: 2

HCF of 144,192,360 is -

1. 12
2. 1
3. 24
4. 2

✅ Correct Answer: 3

The HCF of two natural number is 10. sum of these two natural number is 90. how many pair of number are possible ?

1. 3
2. 2
3. 1
4. 4

✅ Correct Answer: 1

If the HCF of two natural number is 12, product of these two natural number is 1728. How many pair of number are possibe ?

1. 1
2. 4
3. 2
4. 3

✅ Correct Answer: 3

Find the greatest number that on dividing 150,194,245 leaves a remainder of 6,2,5 respectively

1. 12
2. 24
3. 48
4. 64

✅ Correct Answer: 3

Find the greatest number that on dividing 173,293,345 leaves a remainder of 3,4,5 respectively

1. 34
2. 17
3. 14
4. 24

✅ Correct Answer: 2

Find the greatest number that on dividing 480,600,800 leaves a same remainder in each case.

1. 40
2. 30
3. 15
4. 70

✅ Correct Answer: 1

If the HCF of 120 and N is 8, how many two digit value called N assumed?

1. 5
2. 6
3. 7
4. 21

✅ Correct Answer: 1

HCF of 12,24,48,96,192,...........................

1. infinite
2. 12
3. 1
4. Not exist

✅ Correct Answer: 2

HCF of 1,12,24,48,96,192,...........................

1. 12
2. Infinite
3. 1
4. None of the above

✅ Correct Answer: 3

HCF of 13,11,17 ?

1. 13
2. 11
3. 17
4. 1

✅ Correct Answer: 4

HCF of prime numbers is always -

1. Not exist
2. 1
3. infinite
4. depends on numbet

✅ Correct Answer: 2

LCM of 2,4,8,16,32,64 up-to 10th term is

1. 2
2. 1
3. 64
4. 1024

✅ Correct Answer: 4

LCM of 34,68 is -

1. 68
2. 34
3. 1
4. infinite

✅ Correct Answer: 1

LCM of prime numbers pair is always -

1. Sum of numbers
2. infinte
3. product of numbers
4. always 1

✅ Correct Answer: 3

How many factor of N are going to have 5 at the unit places, where N is (2 to the power 5) *(3 to the power 4)*(5 to the power 2)

1. 10
2. 20
3. 0
4. 1

✅ Correct Answer: 1

Number is divisible by 2 if unit digit is divisible by

1. 3
2. 5
3. 1
4. 2

✅ Correct Answer: 4

Number is divisible by 3

1. if sum of digit is divisible by 2
2. if sum of digit is divisible by 3
3. if sum of digit is divisible by 5
4. if product of digit is divisible by 3

✅ Correct Answer: 1

number is divisible by 9 if

1. if sum of digit is divisible by 3
2. if sum of digit is divisible by 9
3. if product of digit is divisible by 4
4. if product of digit is divisible by 3

✅ Correct Answer: 2

Number is divisible by 4

1. if last two digit is divisible by 4
2. if sum of digit is divisible by 4
3. Both of the above
4. None of the above

✅ Correct Answer: 1

Number is divisible by 8

1. if last three digit is divisible by 8
2. if sum of digit is divisible by 8
3. Both of the above
4. None of the above

✅ Correct Answer: 1

Number is divisible by 5 -

1. if unit digit is divisible by 0
2. if unit digit is divisible by 5
3. Both of the above
4. None of the above

✅ Correct Answer: 3

Number is divisible by 10-

1. if unit digit is divisible by 5
2. if unit digit is divisible by 0
3. Both of the above
4. None of the above

✅ Correct Answer: 2

Number is divisible by 11 -

1. if unit digit is divisible by 0
2. if unit digit is divisible by 5
3. Both of the above
4. None of the above

✅ Correct Answer: 4

Number is divisible by 25 -

1. if last two digit is 00
2. if last two digit is 25
3. if last two digit is 75
4. 1 and 2

✅ Correct Answer: 4

Number is divisible by 6 -

1. if it is divisible by 2 and 3
2. if it is divisible by 1 and 3
3. Both of the above
4. None of the above

✅ Correct Answer: 1

Highest power of 6! in 50! ?

1. 12
2. 13
3. 11
4. None of the above

✅ Correct Answer: 3

Highest power of 6 in 85! * 84! ?

1. 81
2. 82
3. 42
4. 92

✅ Correct Answer: 2

Highest power of 6 in 85! - 84! ?

1. 81
2. 82
3. 42
4. 92

✅ Correct Answer: 3

How many factor of 540,360,900 common to each other ?

1. 18
2. 19
3. 20
4. 21

✅ Correct Answer: 1

LCM of 11 and 13 is

1. 11
2. 13
3. 12
4. None of the above

✅ Correct Answer: 4

HCF of 11,13,17,19,21 is

1. 11
2. 21
3. 15
4. None of the above

✅ Correct Answer: 4

unit digit of N is 5 where N is natural number, if N is multiply by any even number then unit digit become ?

1. remain constant
2. become zero
3. become one
4. None of the above

✅ Correct Answer: 2

What should be multiply in 9 to become 27 ?

1. 9
2. 1
3. 3
4. None of the above

✅ Correct Answer: 3

Prime number is

1. 11
2. 13
3. 37
4. All of the above

✅ Correct Answer: 4

if 23*43*63 is divided by 4 then remainder is -

1. 4
2. 3
3. 2
4. 1

✅ Correct Answer: 2

LCM of 4 and 8 is

1. 4
2. 1
3. 8
4. 6

✅ Correct Answer: 3

Lcm of 45 and 90 is

1. 5
2. 46
3. 45
4. None of the above

✅ Correct Answer: 4

LCM of 56 and 112 is -

1. 112
2. 56
3. 1
4. None of the above

✅ Correct Answer: 1

HCF of 34,13 and 17 is

1. 34
2. 17
3. 1
4. None of the above

✅ Correct Answer: 3

HCF of 24,48,60 is

1. 12
2. 60
3. 1
4. None of the above

✅ Correct Answer: 1

Prime number is

1. 12
2. 14
3. 15
4. None of the above

✅ Correct Answer: 4

Prime numbers are those which are

1. natural number
2. divisible by 2
3. divisible by 3
4. divisible by 1 and itself

✅ Correct Answer: 4

when 10 power of 2 is divided by 256 the leaves the remainder of ?

1. 1
2. 10
3. 0
4. None of the above

✅ Correct Answer: 3