Question
Komal bought 20 kg rice for Rs 30 per kg, b kg rice for
Rs 35 per kg and (b + 4) kg rice for Rs 25 per kg. She mixed all type of rice together and the average cost price of 1 kg rice is Rs 29.6. Find the quantity of rice that is bought at Rs 25 per kg.Solution
According to the question,
20 × 30 + b × 35 + (b + 4) × 25 = 29.6 × (20 + b + b + 4)
600 + 35b + 25b + 100 = 29.6 × (24 + 2b)
700 + 60b = 710.4 + 59.2b
0.8b = 10.4
b = 13
Quantity of rice that is bought at Rs 25 per kg = 13 + 4 = 17 kg
More Average Questions
Cripps Mission came in India on:
The Rural Development Department of Uttarakhand has set a target of making 1.25 lakh women associated with self-help groups as millionaires by _________...
Shore temple is situated in which state of India?
Which state has the largest castor cultivation area in India?
Who founded the city of Amritsar?
What is the authorized capital of ECGC?
Where is Guru Ghasidas National Park located?
Where is the headquarters of National Film Archives of India (NFAI) located?
World Health Day is celebrated every year on __________.
AMRIT retail stores launched by Government of India are related to:
