Delhi Police Constable Exam Model Paper 5

Question : 79 of 100

Marks: +1, -0

What is the least number which when divided by 7, 9 and 12 leaves the same remainder 1 in each case?

Solution:

The LCM of 7, 9 and 12 is 252.
Now since it leaves a remainder 1
∴ Least number =

252 + 1 = 253

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