Question
Download Solution PDFStudy the given pattern carefully and select the number that can replace the question mark (?) in it.
First row - 15, 11, 43
Second row - 13, 8, 48
Third row - 9, 7, ?
(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 / subtracting / 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)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe pattern followed in the given series is:
(First term - Second term) × 8 + Second term = Third term
Now we apply the pattern on the given rows:
First row - 15, 11, 43
(15 - 11) × 8 + 11 = 43
4 × 8 + 11 = 43
32 + 11 = 43
43 = 43
Second row - 13, 8, 48
(13 - 8) × 8 + 8 = 48
5 × 8 + 8 = 48
40 + 8 = 48
48 = 48
Third row - 9, 7, ?
(9 - 7) × 8 + 7 = ?
2 × 8 + 7 = ?
16 + 7 = ?
23 = Answer
Hence, the correct answer is "Option 1".
Last updated on Jul 8, 2025
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