Sections
HCF and LCM Level 1
Q1–10 of 50
1
The H.C.F. of 2² × 3³ × 5⁵, 2³ × 3² × 5² × 7 and 2⁴ × 3⁴ × 5 × 7² × 11 is:
Correct Answer:
(a) 2² × 3² × 5
Explanation:
No explanation available.
2
The H.C.F. of 2⁴ × 3² × 5³ × 7, 2³ × 3³ × 5² × 7² and 3 × 5 × 7 × 11 is:
Correct Answer:
(a) 105
Explanation:
No explanation available.
3
H.C.F. of 4 × 27 × 3125, 8 × 9 × 25 × 7 and 16 × 81 × 5 × 11 × 49 is:
Correct Answer:
(a) 180
Explanation:
No explanation available.
4
Find the highest common factor of 36 and 84.
Correct Answer:
(c) 12
Explanation:
No explanation available.
5
Even numbers are formed by taking at least two at a time from the numbers 0, 4, 8, 9. Their H.C.F. is:
Correct Answer:
(b) 4
Explanation:
No explanation available.
6
The H.C.F. of 204, 1190 and 1445 is:
Correct Answer:
(a) 17
Explanation:
No explanation available.
7
Which of the following is a pair of co-primes?
Correct Answer:
(b) (18, 25)
Explanation:
No explanation available.
8
The H.C.F. of 2923 and 3239 is:
Correct Answer:
(d) 79
Explanation:
No explanation available.
9
The H.C.F. of 3556 and 3444 is:
Correct Answer:
(d) 28
Explanation:
No explanation available.
10
The L.C.M. of 2³ × 3² × 5 × 11, 2⁴ × 3⁴ × 5² × 7 and 2⁵ × 3³ × 5³ × 7² × 11 is:
Correct Answer:
(d) 2⁵ × 3⁴ × 5³ × 7² × 11
Explanation:
No explanation available.