If 20% of 160 + 10% of 50 = x – 1, then what will be the value of x?

Correct option is C

Given:

20% of 160 + 10% of 50 = x - 1

Solution:

​$$\frac{20}{100}\times$$​ 160 + $$\frac{10}{100}\times$$​ 50 = x - 1

0.2 $$\times$$​ 160 + 0.1 $$\times$$ 50 = x - 1​

32 + 5 = x - 1

37 = x - 1

x = 38