Solve the following: \frac{(0.54 \\times0.540-0.460 \\times0.460)}{(1-0.920)}=?

RRB Group D 10-Oct-2018 Shift 2 Solved Paper

Question : 16 of 100

Marks: +1, -0

Solve the following:

{(0.54 \×0.540-0.460 \×0.460)}/{(1-0.920)}=?

Solution:

{(0.54 \×0.540-0.46 \×0.46 )}/{(1-0.920)}

={((0.54)^{2}-(0.46)^{2})}/{0.08}

={((0.54+0.46)(0.54-0.46))}/{0.08}

={1 ×0.08}/{0.08}=1

Go to Question:

Prev Question

Next Question