Quant Quiz

Q1)-Complete the series 2, 3, 5, 7, 11, ...., 17

14

13

12

10

Ans.- B
Given series is a prime number series. Next prime number after 11 is 13.

Q2)-Find the missing number in the series. 4, 10, 22, 46, ?, 190, 382.

89

92

94

100

Ans.- C
Rule is previous number * 2 + 2.
4 * 2 + 2 = 10
10 * 2 + 2 = 22
So, 46 * 2 + 2 = 94.

Q3)-3,25,255,2545,25455, ?

254550

254555

254545

254555

Ans.- C
25=(3×10)-5
255=(25×10)+5
2545=(255×10)-5
25455=(2545×10)+5
?=(2545×10)-5 = 254545

Q4)-Insert the missing number. 34, 7, 37, 14, 40, 28, 43, (...)

31

56

24

42

Ans.- B
We have two series here
34, 37, 40, 43, ... (Increase by 3)
7, 14, 28, ... (Multiply by 2)
Hence, next term is 28 × 2 = 56

Q5)-5, 5, 15, 75, 525, 4725, _____.

51795

50135

51025

51975

Ans.- D
multiply by consecutive odd numbers
5×1=5
5×3=15
15×5=75
75×9=4725
4725×11=51975

Q6)-Complete the series 1, 2, 4, 7, 11, ..

16

19

15

12

Ans.- A
1 + 1 = 2, 2 + 2 = 4, 4 + 3 = 7, 7 + 4 = 11. So, 11 + 5 = 16 So the rule is: previous number + position number.

Q7)-4, 12, 48, 240, 1440, (...)

7640

10080

1120

11108

Ans.- B
Go on multiplying the given numbers by 3, 4, 5, 6, 7

Q8)-23, 29, 31, 37, 41, 43, (...)

53

34

47

59

Ans.- C
All are prime numbers in their order, starting from 23 Hence, next number is 47

Q9)-40, 54, 82, ?, 180 ,250

124

100

121

111

Ans.- A
The pattern is: +14, + 28, + 42, + 52, + 70
So, missing term is 82 + 42=124

Q10)-30, 34, 43, 59, 84, 120,?

138

149

169

172

Ans.- C
The given pattern is:
+22, 32, +42, + 62, +72
So, missing term is 169=120 +72