Sun	Mon	Tue	Wed	Thu	Fri	Sat
23	24	25	26	27	28	1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31	1	2	3	4	5

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Multiple Choice Questions

Riya Anil and Rishi start running around a circular stadium and complete one round in 15s 12s and 21...........

Qunatitative Aptitude (RBI Ast) LCM, HCF

Riya, Anil and Rishi start running around a circular stadium and complete one round in 15s, 12s and 21s respectively. In how much time will they meet again at the starting point?

6min

7min

8min

9min

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Explanation:

LCM (15, 12, 21) = 420 second = 7 minutes

Hence, option 2 is the correct answer.

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Riya Anil and Rishi start running around a circular stadium and complete one round in 15s 12s and 21...........

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Explanation:

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