soln (Question: 440787.2 )

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abhishek singh

· started a discussion

· 1 Months ago

soln (Question: 440787.2 )

plz provide soln

abhishek singh

· started a discussion

· 1 Months ago

soln (Question: 440787.2 )

plz provide soln

Question:

DIRECTIONS: Choose the correct alternative from the given ones that will complete the series.

3, 5, 15, 69, ?

Options:

A) 276

B) 407

C) 349

D) 345

Solution:

Ans: (b)

(3 × 2) – 3 = 3

(3 × 3) – 4 = 5

(5 × 4) – 5 = 15

(15 × 5) – 6 = 69

Similarly,

(69 × 6) – 7 = 407

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