1. 6, 8, 9, 12, 14, 18, -
A) 8 B) 10 C) 21 D)19

2. 90, 63, 70, 43, 55, 28, -, -
A) 56, 18 B) 45, 18 C) 34, 24 D) 40, 18


3. 5, 9, 15, 23, 33, 45, -
A) 54 B) 53 C) 57 D)59


4. 5, 7, 13, 23, 29, 55, -, -
A) 16, 118 B) 65, 115 C) 61, 119 D) 45, 118


5. 1, 3, 2, 5, 3, 7, -
A) 4 B) 5 C) 6 D)7


6. 6, 11, 18, 27, 38, -
A) 56 B) 51 C) 54 D) 49


7. 36, 24, 30, 20, 24, 16, 18, 12, -
A) 12 B) 14 C) 16 D) 8


8. 2, 5, 4, 9, 8, 15, -
A) 16 B) 14 C) 18 D) 20


9. 8, 10, 15, 12, 22, 14, 29, 16, -
A) 34 B) 36 C) 32 D) 37


10. 1, 2, 2, 4, 8, -
A) 34 B) 16 C) 32 D) 12

Answers:


2   See the alternate numbers 6, (+3) 9 (+5), 14. so the answer is C (14+7=21)

2   Answer is B (Pair 45, 18) alternate numbers form series by subtraction of 20, 15, 10 .

3   Answer is D. 59, progressively increases with the addition 4, 6,8,10…

4   Answer is C) 61, Find the alternatives increases 8,16,32 and 16, 32, 64 (1*2)

5   Answer is A. 4 Find the alternative1, 2, 3, 4

6   Answer is B) 51, progressively increases with the addition 5,7, 9, 11

7   Answer is A. 12. Find the alternatives decreases 36,30,24,18,12 (6)

8   Answer is B) 14. Find the alternatives 2,4,6,8 and 4,6,8

9   Answer is B) 36. Find the alternatives increases with the addition of 7

10  Answer is C) 32. 1*2=2,2*2=4, 2*4=8, hence 4*8=32.