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- How many kg of custard powder costing Rs.
Question 1:
How many kg of custard powder costing Rs. 42 per kg must be mixed with 16 kg of custard powder costing Rs. 60 per kg so that 20 % may be gained by selling the mixture at Rs. 60 per kg? A. 11 kg
B. 14 kg
C. 12 kg
D. 20 kg
Feedback SP = 60. Gain= 20%. CP = (100/120) x 60.= CP = 50.
Ratio between the 2 varieties of custard powder = 60 – 50 : 50 –42 = 10 : 8
if x is the required quantity then 10 : 8 = x : 16 ? x =20 kg.
Ratio between the 2 varieties of custard powder = 60 – 50 : 50 –42 = 10 : 8
if x is the required quantity then 10 : 8 = x : 16 ? x =20 kg.
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