Question
Study the given pattern carefully and select the number
that can replace the question mark (?) in it. Â First row: 26, 312, 14 Second row: 55, 1705, 24 Third row: 37, ?, 18 Â (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13-Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)Solution
The logic followed in the given series is: 1st term x (1st term – 3rd term) = 2nd term  First row: 26, 312, 14 26 x (26 – 14) = 312 26 x 12 = 312 312 = 312 Second row: 55, 1705, 24 55 x (55 – 24) = 1705 55 x 31 = 1705 1705 = 1705 Third row: 37, ?, 18 37 x (37 – 18) = ? 37 x 19 = ? ? = 703  Hence, the correct answer is (C).
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