21105
Unique Id: 18262
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DIRECTIONS
for the question:
Solve the following question and mark the best possible option.
Find the least number which when divided by 15, 20 & 30 leaves in each case a remainder 3.
A)
63
B)
83
C)
57
D)
77
E)
123
A
Factorizing each number we get,
15 = 3 × 5
20 = 2
2
× 5
30 = 2 × 3 × 5
So, LCM = Least number divisible by all the given numbers = 2
2
× 3 × 5 = 60
So the least number which will leave remainder as 3 = 60 + 3 = 63.
Question include in Following Tests :
Numbers Level I - 06
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Bank Numbers & LCM - 02
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