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IBPS PO Prelims 2016 - Quantitative Aptitude

IBPS PO Prelims 2016 - Quantitative Aptitude - Important Points


6.

Directions (6-10): What will come in place of the question mark (?) in the following number series?
11 20 38 74 ?

A. 146

B. 154

C. 128

D. 132

E. 136

Discuss Work Space

Answer: option a

Explanation:

The pattern is +9, +18, +36, +72……..
=> 74 + 72 = 146


7. 15 21 38 65 101 ?

A. 124

B. 145

C. 136

D. 158

E. 162

Discuss Work Space

Answer: option b

Explanation:

The pattern is +6,(+11) +17,(+10) +27,(+9) +36,(+8)+44..
=> 101+ 44 = 145


8. 24 28 19 35 10 ?

A. 26

B. 36

C. 16

D. 46

E. 15

Discuss Work Space

Answer: option d

Explanation:

The pattern is +2^2,-3^2, +4^2, -5^2, ....
=> 10 + 6^2 = 46


9. 7 16 45 184 915 ?

A. 2092

B. 5496

C. 1048

D. 4038

E. 3268

Discuss Work Space

Answer: option b

Explanation:

The pattern is × 2+ 2, × 3 − 3, × 4+ 4, × 5− 5. . . . .
=> 915 × 6 +6 = 5496


10. 12 19 35 59 90 ?

A. 134

B. 127

C. 132

D. 98

E. 114

Discuss Work Space

Answer: option b

Explanation:

The pattern is +7,(+9),+ 16,(+8),+ 24,(+7)+ 31,(+6)+ 37
=> 90 + 37 = 127



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