Question

22) The product of two number is 3.92 if
one number is double of the other, then the
bigger number is
A) 1.4 B) 2.8 (NV 2015)
C) 4.2 D) 5.6​

Answer 1

2x^2= 3.92

×^2 = 1.96

x = 1.4

the 2 numbers we have taken as x and 2x

so larger number is 2x = 2× 1.4 = 2.8

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