Question

40% of 150 + 60% of 150 =

(a) 200
(b) 150
(c) 250
(d) 180

Answer 1

$$\begin{gathered} 40\%\mathrm{of}150=\frac{40}{100}\times 150 \\ =60 \\ 60\%\mathrm{of}150=\frac{60}{100}\times 150 \\ =90 \end{gathered}$$

Therefore, 40% of 150 + 60% of 150 = 60 + 90 = 150.

Hence, the correct option is (b).