- 5 9 25 91 414 2282-5 -3 a b c d What will come in the place of c-

The correct option is D 64.75 The pattern of the given series is: 5 × 1.5 + 1.5 = 7.5 + 1.5 = 9 9 × 2.5 + 2.5 = 22.5 + 2.5 = 25 25 × 3.5 + 3.5 = 87.5 + 3.5 = ...

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Quantitative Aptitude

Series

[ 5 9 2...

Question

5 9 25 91 414 2282.5
3 (a) (b) (c) (d) (e)
What will come in the place of (c)?

63.25

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63.75

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64.25

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64.75

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None of these

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Solution

The correct option is D
64.75

The pattern of the given series is:
$5 \times 1.5 + 1.5 = 7.5 + 1.5 = 9 9 \times 2.5 + 2.5 = 22.5 + 2.5 = 25 25 \times 3.5 + 3.5 = 87.5 + 3.5 = 91 91 \times 4.5 + 4.5 = 409.5 + 4.5 = 414 S i m i l a r l y, (a) \Rightarrow 3 \times 1.5 + 1.5 = 4.5 + 1.5 = 6 (b) \Rightarrow 6 \times 2.5 + 2.5 = 15 + 2.5 = 17.5 (c) \Rightarrow 17.5 \times 3.5 + 3.5 = 61.25 + 3.5 = 64.75$

Suggest Corrections

5 9 25 91 414 2282.5 3 (a) (b) (c) (d) (e) What will come in the place of (c)?

The correct option is D 64.75 The pattern of the given series is: 5×1.5+1.5=7.5+1.5=99×2.5+2.5=22.5+2.5=2525×3.5+3.5=87.5+3.5=9191×4.5+4.5=409.5+4.5=414Similarly,(a)⇒3×1.5+1.5=4.5+1.5=6(b)⇒6×2.5+2.5=15+2.5=17.5(c)⇒17.5×3.5+3.5=61.25+3.5=64.75

5 9 25 91 414 2282.5
3 (a) (b) (c) (d) (e)
What will come in the place of (c)?