Quntitative Aptitude HCF and LCM
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Quantitative Aptitude – H.C.F and L.C.M of Numbers
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Question 1 of 20
1. Question
1 points252 can be expressed as a product of primes as :

Question 2 of 20
2. Question
1 pointsWhich of the following has most number of divisors?

Question 3 of 20
3. Question
1 pointsA number n is said to be perfect if the sum of all its divisors (excluding n itself) is equal to n. An example of perfect number is :

Question 4 of 20
4. Question
1 points1095/1168 when expressed in simplest form is :

Question 5 of 20
5. Question
1 pointsReduce 128352/238368 to its lowest terms.

Question 6 of 20
6. Question
1 pointsThe H.C.F. of 2^2 x 3^3 x 5^5, 2^3 x 3^2 x 5^2 x 7 and 2^4 x 3^4 x 5 x 7^2 x 11 is :

Question 7 of 20
7. Question
1 pointsThe H.C.F. of 2^4 x 3^2 x 5^3 x 7, 2^3 x 3^3 x 5^2 x 7^2 and 3 x 5 x 7 x 11 is:

Question 8 of 20
8. Question
1 pointsH.C.F. of 4 x 27 x 3125, 8 x 9 x 25 x 7 & 16 x 81 x 5 x 11 x 49 is:

Question 9 of 20
9. Question
1 pointsFind the highest common factor of 36 and 84.

Question 10 of 20
10. Question
1 pointsThe H.C.F. of 204, 1190 and 1445 is:

Question 11 of 20
11. Question
1 pointsWhich of the following is pair of coprimes?

Question 12 of 20
12. Question
1 pointsThe H.C.F. of 2923 and 3239 is:

Question 13 of 20
13. Question
1 pointsThe H.C.F. of 3556 and 3444 is:

Question 14 of 20
14. Question
1 pointsThe L.C.M. of 2^3 x 3^2 x 5 x 11, 2^4 x 3^4 x 5^2 x 7 and 2^5 x 3^3 x 5^3 x 7^2 x 11 is:

Question 15 of 20
15. Question
1 pointsFind the lowest common multiple of 24, 36 and 40

Question 16 of 20
16. Question
1 pointsThe L.C.M. of 22, 54, 108, 135 and 198 is:

Question 17 of 20
17. Question
1 pointsThe L.C.M. of 148 and 185 is:

Question 18 of 20
18. Question
1 pointsThe H.C.F. of 2/3, 8/9, 64/81 and 10/27 is:

Question 19 of 20
19. Question
1 pointsThe H.C.F. of 9/10, 12/25, 18/35 and 21/40 is :

Question 20 of 20
20. Question
1 pointsThe L.C.M. of 1/3, 5/6, 2/9, 4/27 is :