Question 40

If 3@7 = 20, 8@1 = 18 and 6@5 = 22, then find the value of 4@4 = ?

Solution

Given : 3@7 = 20, 8@1 = 18 and 6@5 = 22

If we replace '@' with '+', and multiply the sum by 2, we get the desired result.

Eg :- $$(3+7)\times2=20$$

and $$(8+1)\times2=18$$ and $$(6+5)\times2=22$$

Similarly, $$(4+4)\times2=16$$

=> Ans - (B)

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