Sunday, 1 May 2016

Quant Quiz On Number Series for SBI Clerk and SBI PO 2016

Directions(Q 1-10): Find the value of ? in given series:

1. 2, 6, 12, 20, 30, ?.
A) 40
B) 42
C) 44
D) 46
E) None of these

2. 18, 56, ?, 524, 1588, 2796.
A) 152
B) 154
C) 156
D) 162
E) 172

3. 1, 4, 27, 256, ?, 46656.
A) 7776
B) 3125
C) 925
D) 625
E) None of these

4. 13, 35, 57, 79, 911, ? 
A) 1115
B) 1117
C) 1110
D) 1113
E) None of these

5. 1, 4, 6, 8, 9, 10, 12, ?.
A) 13
B) 14
C) 15
D) 16
E) None of these

6. 5, 7, 14, 16, 32, 34, ?.
A) 62
B) 64
C) 66
D) 68
E) 70

7. 11, 10, ?, 100, 1001, 1000, 10001.
A) 100
B) 101
C) 1000
D) 1001
E) 1111

8. 6, 15, 35, 77, ?, 221.
A) 143
B) 144
C) 152
D) 163
E) None of these

9. 4, 6, 2, 8, 3, ?.
A) 6
B) 8
C) 9
D) 10
E) 12

10. 342, 463, 613, 792, 1000, ?.
A) 1237
B) 1247
C) 1257
D) 1267
E) None of these

Solutions:
1: B) The series is 12 + 1, 22 + 2, 32 + 3, 42 + 4….
Next number is 62 + 6 = 42
2: E) 18*3+2, 56*3 +4, ......
3: B) The pattern is: 11=1, 22=4, 33=27, 44=256, 55=3125, 66=46656
4: D) The terms are formed by joining together consecutive odd numbers  in    order. i.e.
1 and 3, 3 and 5, 5 and 7, 7 and 9, 9 and 11,....
5: B) Prime numbers are omitted from the series. So next number is 14
6: D) The pattern is: +2, *2, +2, *2, etc. The value of ? is 68.
7: A)The pattern is:  - 1, × 10 + 1, - 1, × 10 + 1, - 1, × 10 + 1, ....
8: A) Product of consecutive prime numbers.
    2 * 3 = 6, 3 * 5 = 15, 5 * 7 = 35, 7 * 11 = 77, 11 * 13 = 143.
9: C)The pattern is: +2, ÷3, x4, -5
    So Answer is: 9

10: A)

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