- 6 16 57 244 1245 7506 -4 a b cd What will come in the place of d-

The correct option is E None of theseThe pattern of the given series is: 6 × 2 + 2^2 = 12 + 4 = 16 16 × 3 + 3^2 = 48 + 9 = 57 57 × 4 + 4^2 = 228 + 16 = 244 S ...

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Quantitative Aptitude

Series

[ 6 16 57 ...

Question

6 16 57 244 1245 7506
4 (a) (b) (c) (d) (e)
What will come in the place of (d)?

985

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980

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1004

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1015

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None of these

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Solution

The correct option is E None of these
The pattern of the given series is:
$6 \times 2 + 2^{2} = 12 + 4 = 16 16 \times 3 + 3^{2} = 48 + 9 = 57 57 \times 4 + 4^{2} = 228 + 16 = 244$
Similarly,
$(a) \Rightarrow 4 \times 2 + 2^{2} = 8 + 4 = 12 (b) \Rightarrow 12 \times 3 + 3^{2} = 36 + 9 = 45 (c) \Rightarrow 45 \times 4 + 4^{2} = 180 + 16 = 196 (d) \Rightarrow 196 \times 5 + 5^{2} = 980 + 25 = 1005$

Suggest Corrections

6 16 57 244 1245 7506 4 (a) (b) (c) (d) (e) What will come in the place of (d)?

The correct option is E None of theseThe pattern of the given series is: 6×2+22=12+4=1616×3+32=48+9=5757×4+42=228+16=244 Similarly, (a)⇒4×2+22=8+4=12(b)⇒12×3+32=36+9=45(c)⇒45×4+42=180+16=196(d)⇒196×5+52=980+25=1005

6 16 57 244 1245 7506
4 (a) (b) (c) (d) (e)
What will come in the place of (d)?