Study the given pattern carefully and select the number that can replace the question mark (?) in it.
First row: 13, 1, 70
Second row: 9, 9, 90
Third row: 11, ?, 130
(
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)
- AOption (a)
7
- BOption (b)
15
- COption (c)
9
- DOption (d)
8
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Correct answer
7




