1.

Shyam bought 5 kg of fruits (guava and kiwi) for Rs 180.The cost per kg of guava was Rs 60 and that of kiwi was Rs 20 per kg.Find the quantity of guava and kiwi (respectively) purchased1). 2 kg, 3kg2). 3 kg, 2 kg3). 4 kg, 1 kg4). 1 kg, 4 Kg

Answer»

LET the QUANTITY of guava purchased be ‘g’ and kiwi be ‘k’

ACCORDING to the question,

⇒ g + k = 5----(1)

⇒ 60g + 20k = 180----(2)

Solving (1) and (2), we get

Multiplying equation(1) by 20

⇒ 20g + 20k = 100----(3)

⇒ 60g + 20k = 180----(4)

Substracting equation(3) from equation(4)

⇒ 40g = 80

∴ g = 2 KG and k = 3 kg


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