A set of warning lights flashes every 3 seconds, another set flashes every 5 seconds and third set flashes every 8 seconds. If they all flash together at 12: 00 noon, at what time will they flash together again?

A set of warning lights flashes every 3 seconds, another set flashes e

1.	A set of warning lights flashes every 3 seconds, another set flashes every 5 seconds and third set flashes every 8 seconds. If they all flash together at 12: 00 noon, at what time will they flash together again?
A.	12: 01 p.m.
B.	12: 02 p.m.
C.
D.	12: 15 p.m.
Answer» C.

Discussion

No Comment Found

Related MCQs

\[\frac{1219}{1431},\]when reduced to its simplest form, by dividing the numerator and denominator by their H.C.F. is
The LCM of \[\frac{a}{b},\,\,\frac{c}{d},\,\,\frac{e}{f}\] is equal to
P is the largest factor of 48 and Q is its smallest multiple. Find the value of \[\text{2P + 3Q}\].
A set of warning lights flashes every 3 seconds, another set flashes every 5 seconds and third set flashes every 8 seconds. If they all flash together at 12: 00 noon, at what time will they flash together again?
Given that (p + 3) is the highest common factor of 81 and 108, find the value of p.
The Fish Bowl store had a sale. During the sale, the store gave away two kinds of fish, i.e., gold fish and cat fish. * Every 5th customer received a free gold fish. * Every 12th customer received a free cat fish. There were 134 customers on the day of the sale. Estimate the number of customers who received both a free gold fish and a free cat fish?
Which number can be divided into two equal groups with no remainder?
Observe the figure given. Identify the missing numbers X and Y.
Study the prime factorisation of X and Y given. \[\text{X = 2 }\!\!\times\!\!\text{ 3 }\!\!\times\!\!\text{ 3 }\!\!\times\!\!\text{ 3 }\!\!\times\!\!\text{ 3 }\!\!\times\!\!\text{ 3 }\!\!\times\!\!\text{ 5}\] \[\text{Y = 2 }\!\!\times\!\!\text{ 2 }\!\!\times\!\!\text{ 3 }\!\!\times\!\!\text{ 3 }\!\!\times\!\!\text{ 5 }\!\!\times\!\!\text{ 19}\] What is the place value of 8 in the sum of the numbers X and Y?
A number X is exactly divisible by 6. What is the remainder when the same number is divided by 12?

A set of warning lights flashes every 3 seconds, another set flashes every 5 seconds and third set flashes every 8 seconds. If they all flash together at 12: 00 noon, at what time will they flash together again?

Discussion

No Comment Found

Related MCQs

Reply to Comment