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brij kishor sharma

· started a discussion

· 1 Months ago

solutuon of question no,70 mock test 10 december (Question:107597.0)

sir questiion me 12percent alloy destroy hota h but aapne isko alluminium ko destroy maankr kiya h please clear my doubt,thank you

Question:

An alloy contains the copper and aluminium in the ratio of 7 : 4. While making the weapons from this alloy, 12% of the alloy got destroyed. If there is 12 kg of aluminium in the weapon, then the weight of the alloy required is:

Options:
A) 48 kg
B) 40 kg  
C) 37.5 kg
D) 14.4 kg
Solution:

Ans: (c) 


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