# Aptitude/Number system mcq for competitive exams Sample Test,Sample questions

1.4

2.5

3.even number

4.1

1.2

2.3

3.ifinite

4.1

1.3

2.1

3.2

4.4

1.5

2.10

3.15

4.1

1.5

2.120

3.720

4.12

1.720

2.7

3.120

4.5040

1.12

2.24

3.48

4.64

1.34

2.17

3.14

4.24

1.40

2.30

3.15

4.70

## Question: `HCF of 1,12,24,48,96,192,...........................`

1.12

2.Infinite

3.1

4.None of the above

## Question: `HCF of 11,13,17,19,21 is `

1.11

2.21

3.15

4.None of the above

1.infinite

2.12

3.1

4.Not exist

1.13

2.11

3.17

4.1

1.12

2.1

3.24

4.2

## Question: `HCF of 24,48,60 is `

1.12

2.60

3.1

4.None of the above

## Question: `HCF of 34,13 and 17 is `

1.34

2.17

3.1

4.None of the above

1.13

2.12

3.24

4.108

## Question: `HCF of prime numbers is always -`

1.Not exist

2.1

3.infinite

4.depends on numbet

1.12

2.13

3.15

4.14

1.5

2.6

3.4

4.8

1.81

2.82

3.42

4.92

1.81

2.82

3.42

4.92

## Question: `Highest power of 6! in 50! ?`

1.12

2.13

3.11

4.None of the above

1.18

2.19

3.20

4.21

1.10

2.20

3.0

4.1

1.15

2.10

3.30

4.25

1.4

2.3

3.2

4.1

1.5

2.6

3.7

4.21

1.1

2.4

3.2

4.3

1.1

2.2

3.4

4.3

## Question: `LCM of 11 and 13 is `

1.11

2.13

3.12

4.None of the above

1.2

2.1

3.64

4.1024

1.68

2.34

3.1

4.infinite

1.4

2.1

3.8

4.6

## Question: `Lcm of 45 and 90 is `

1.5

2.46

3.45

4.None of the above

## Question: `LCM of 56 and 112 is -`

1.112

2.56

3.1

4.None of the above

## Question: `LCM of prime numbers pair is always -`

1.Sum of numbers

2.infinte

3.product of numbers

4.always 1

1.91

2.97

3.34

4.23

1.48

2.45

3.12

4.2

## Question: `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

## Question: `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

1.3

2.5

3.1

4.2

## Question: `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

## Question: `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

## Question: `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

## Question: `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

## Question: `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

## Question: `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

## Question: `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

## Question: `Prime number is`

1.11

2.13

3.37

4.All of the above

## Question: `Prime number is `

1.12

2.14

3.15

4.None of the above

## Question: `Prime numbers are those which are`

1.natural number

2.divisible by 2

3.divisible by 3

4.divisible by 1 and itself

1.3

2.2

3.1

4.4

## Question: `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

1.7

2.1

3.3

4.4

1.7

2.2

3.9

4.1

## Question: `What should be multiply in 9 to become 27 ?`

1.9

2.1

3.3

4.None of the above

1.2

2.1

3.4

4.8

1.9

2.8

3.17

4.13

## Question: `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

## More MCQS

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