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Cost of two types of pulses is Rs.15 and Rs, 20 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the price of mixed variety of pulses per kg?

A17.5

B17

C18

D19

Answer:

C. 18

Read Explanation:

Let the cost of mixed variety of pulse be Rs. x As per the alligation rule, 2:3 = (20-x) : (x-15) ⇒ 2x+3x = 60+30 ⇒ 5x = 90 ⇒ x = 18


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