RRB Government Jobs Exams

47) Two cyclists start training on an oval racecourse at the same time. The professional cyclist completes each lap in 4 minutes; the novice takes 6 minutes to complete each lap. How many minutes after the start will both cyclists pass at the same spot where they began to cycle?
a) 10
b) 8
c) 14
d) 12

Read Solution (Total 3)

12

LCM of 4,6 = 12
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12
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12 bcz 12 is divisible by 4 and 6
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RRB Other Question

46) If x2 -16>0, which of the following must be true?
a) -4>x>4
b) -4>x 48) M,N,O and P are different individuals; M is the daughter of N; N is the son of O; O is the father of P;
Among the following statements which is true?
a) M is the daughter of P
b) If B is the daughter of N, then M and B are sisters
c) If C is the granddaughter of O, then C and M are sisters.
d) P and N are brothers