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40% of 265 + 35% of 180 = 50% of ?
Answer & Solution
Correct Answer:
Option
D
Let 40% of 265 + 35% of 180 = 50% of x
Then, $$\left( {\frac{40}{{100}} \times 265} \right)$$ + $$\left( {\frac{35}{{100}} \times 180} \right)$$ = $$\left( {\frac{50}{{100}} \times x} \right)$$
⇒ 106 + 63 = $$\frac{x}{2}$$
⇒ x = 169 × 2
⇒ x = 338
Then, $$\left( {\frac{40}{{100}} \times 265} \right)$$ + $$\left( {\frac{35}{{100}} \times 180} \right)$$ = $$\left( {\frac{50}{{100}} \times x} \right)$$
⇒ 106 + 63 = $$\frac{x}{2}$$
⇒ x = 169 × 2
⇒ x = 338
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