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

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

10070
10080
10075
10085

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
Find the HCF of 54, 288, 360

19
18
17
16

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Lets solve this question by factorization method.18=2×3²,288=2×2×2×2×2×3²,360=2³×3²×5So HCF will be minimum term present in all three, i.e.2×3²=18

Problems on H.C.F and L.C.M
What is the HCF of 2/3, 4/9 and 6/5

2/45
4/15
7/45
8/45

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
Which greatest possible length can be used to measure exactly 15 meter 75 cm, 11 meter 25 cm and 7 meter 65 cm

275 cm
285 cm
265 cm
255 cm

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Convert first all terms into cm.i.e. 1575 cm, 1125cm, 765cm.Now whenever we need to calculate this type of question, we need to find the HCF.HCF of above terms is 255.

Problems on H.C.F and L.C.M
The greatest number that exactly divided 105, 1001 and 2436 is

7
3
21
11

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:

508
408
308
208

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Other number = (11 x 7700/275) = 308.

MORE MCQ ON Problems on H.C.F and L.C.M

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