Practice Questions & Answers :: HackerRank

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1 / 2
A, B and C enter into a partnership and their shares are in the ratio 1/2:1/3:1/4. After 2 months, A withdraws half of his capital and after 10 months, a profit of Rs. 378 is divided among them. What is B’s share?
ARs .129
BRs. 144
CRs. 156
DRs. 168
Answer: Option B
Explanation:Ratio of investment = 1/2 : 1/3 : 1/4,
taking lcm of (2,3,4) and divide by this ratio's we get 6 : 4 : 3,
we have to assume there initial investment is 6x, 4x and 3x
now we can write A : B : C = (6x * 2 + 3x*10) : (4x *12) : (3x*12) after doing calculation we got
= 42:48:36 more simplify it
= 7:8:6
now we need to calc B'share = (8/21) * 378 = 144
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2 / 2
1/3rd of a number is 3 more than the 1/6th of the same number, then find the number?
A24
B12
C18
D20
Answer: Option C
Explanation:Let X is the number. (1/3) X-(1/6) X=3,
Solving these we can get the answer.
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