Cost of two types of pulses is Rs.18 and Rs, 23 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?

(23 – x)/(x – 18) = 2/3 69 – 3x = 2x – 36x 5x = 105 x = 21 Therefore, price of mixed variety of pulses = Rs 21 per kg

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