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Q: An alloy is made of aluminium and nickel in the ratio 3 : 4. The quantity (in kg) of nickel required to be melted with 36 kg of aluminium is ¬¬¬_________.
  • A. 18
  • B. 32
  • C. 48
  • D. 3
Correct Answer: Option C - Let quantity of aluminium in mixture = 3x and quantity of Nickel = 4x According to the question, 3x = 36 kg x = 12 kg quantity of aluminimum = 4 × 12 = 48 kg So, formixture 36 kg aluminimum and 48 kg Nickel will be melt.
C. Let quantity of aluminium in mixture = 3x and quantity of Nickel = 4x According to the question, 3x = 36 kg x = 12 kg quantity of aluminimum = 4 × 12 = 48 kg So, formixture 36 kg aluminimum and 48 kg Nickel will be melt.

Explanations:

Let quantity of aluminium in mixture = 3x and quantity of Nickel = 4x According to the question, 3x = 36 kg x = 12 kg quantity of aluminimum = 4 × 12 = 48 kg So, formixture 36 kg aluminimum and 48 kg Nickel will be melt.