SSC
Sample Paper
Mock Test-20 SSC CGL Tear-II Paper-1
question_answer
The least number which when divided by 4, 6, 8 and 9 leave zero remainder in each case and when divided by 13 leaves a remainder of 7 is
A)144
B) 72
C) 36
D) 85
Correct Answer:
B
Solution :
LCM of 4, 6, 8, 9 \[\therefore \] LCM \[=2\times 2\times 3\times 2\times 3=72\] \[\therefore \] Required number = 72, because it is exactly divisible by 4, 6, 8 and 9 and it leaves remainder 7 when divided by 13.