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If 1 is added to the digits which are at odd places, and the digits at even places remain unchanged in the number 2435, then what will be the sum
Question

If 1 is added to the digits which are at odd places, and the digits at even places remain unchanged in the number 2435, then what will be the sum of the first and last digits of the new number thus formed?

A.

9

B.

11

C.

10

D.

8

Correct option is D

Given - 2435
1 is added to the digits which are at odd places (2, 3)
New Obtained number = 3445
sum of the first and last digits = 3 + 5 = 8

Option d is correct.

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