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Problems on H.C.F and L.C.M

Problems on H.C.F and L.C.M
Find the least multiple of 23,which when divided by 18,21 and 24 leaves remainders 7,10 and 13 respectively.

3036
3024
3013
3002

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Problems on H.C.F and L.C.M
A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is?

61
41
31
51

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Problems on H.C.F and L.C.M
The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above condition is

6
8
12
4

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Problems on H.C.F and L.C.M
The H.C.F. of 0.54, 1.8 and 7.2 is:

0.18
1.8
18
0.018

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Problems on H.C.F and L.C.M
The least number of five digits that have 144 their HCF is?

10075
10080
10070
10085

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Problems on H.C.F and L.C.M
The traffic light at three different road crossing change after every 48 sec, 72 sec. and 108 sec. respectively . If they all change simultaneously at 8 : 20 : 00 hours, then at what time will they ag

5 : 27 : 12 hrs.
8 : 27 : 12 hrs.
7 : 27 : 12 hrs.
6 : 27 : 12 hrs.

ANSWER DOWNLOAD EXAMIANS APP
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