Number System MCQ I Year

Which of the following is a rational number?

• √2 (square root of 2)

• 0.75

• e (Euler's number)

• π (pi)

Find the L.C.M of 15, 30, 45

• 90

• 95

• 92

• No of these

Find the number of terms in geometric progression 3, 6, 12, 24, ---- , 384

• 10

• 11

• 9

• 8

Find which of the following number is divisible by 11?

• 246542

• 415624

• 146532

• 426513

The remainder is 3, when a number is divided 5. If the square of this number is divided by 5, then what is the remainder?

• 5

• 4

• 7

• 1

Find the three consecutive odd numbers whose sum of the squares is 2531.

• 19, 21, 23

• 23, 25, 27

• 27, 29, 31

• 31, 33, 35

The average of 3 consecutive even numbers is 18, find the largest of these numbers

• 15

• 16

• 20

• 26

Find H.C.F. of 0.63 and 1.05

• 0.21

• 0.28

• 0.56

• 0.84

Find the greatest number, which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively.

• 127

• 132

• 114

• 108

Find the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder

• 1963

• 2523

• 1683

• 1536