Question

The value of y in the given expression 6.2 y = 8.1 x 8.1 – 1.9 x1.9 is :

(A) 10 (B) 12 (C) 14 (D) 16​

Answer 1

Answer :-

(a) 10

Explanation:-

6.2y = 8.1 × 8.1 - 1.9 × 1.9

6.2y = 65.61 - 3.61

6.2y = 62.00

6.2y = 62

y = 62/6.2

y = (62 × 10) / 62

y = 10

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