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If 5#3@3=12 and 7 # 2 @ 4 = 10, then what will be 2 # 9 @ 5?
Question

If 5#3@3=12 and 7 # 2 @ 4 = 10, then what will be 2 # 9 @ 5?

A.

26

B.

32

C.

13

D.

29

Correct option is C

The pattern follows as

5#3@3=12

5×3 – 3 = 12

15 – 3 = 12

12 =12

7 # 2 @ 4 = 10

7 × 2 – 4 = 10

14 – 4 = 10

10 = 10

Similarly,

2 # 9 @ 5

2 × 9 – 5

= 18 – 5

= 13

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