Question

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?

Select one:

a. Rs. 22 per kg

b. Rs. 18 per kg

c. Rs. 30 per kg

d. Rs. 10 per kg​

Answer 1

SOLUTION

TO CHOOSE THE CORRECT OPTION

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

a. Rs. 22 per kg

b. Rs. 18 per kg

c. Rs. 30 per kg

d. Rs. 10 per kg

EVALUATION

Here it is given that both the pulses are mixed together in the ratio 2 : 3

Let 2x kg of first pulse was mixed with 3x kg of second pulse

Now Cost of two types of pulses is Rs.15 and Rs, 20 per kg, respectively

So cost of 2x kg first pulse = Rs 30x

Cost of 3x kg second pulse = Rs 60x

Hence total cost

= Rs ( 30x + 60x )

= Rs 90x

Total amount of pulses

= ( 2x + 3x ) kg

= 5x kg

So the required price of mixed variety of pulses per kg

$\displaystyle \sf{ = Rs. \: \: \frac{90x}{5x} }$

$\displaystyle \sf{ = Rs. \: \: 18 }$

FINAL ANSWER

Hence the correct option is b. Rs. 18 per kg

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