SSC CGL Tier II 25 Oct 2015 Paper 1

Question : 46 of 100

Marks: +1, -0

60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead and tin in the ratio 3 : 2 and alloy B has tin and copper in the ratio 1 : 4, the amount of tin in the new alloy is

53 kg
44 kg
80 kg
24 kg

Validate

Solution:

(2) In 60 kg of alloy A,
Lead

=3/5 × 60 = 36

kg
Tin

=2/5×60=24

kg
In 100 kg of alloy B,
Tin

=1/5×100=20

kg.
In 160 kg of new alloy,
Tin = 24 + 20 = 44 kg.

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