From a point on a circular track 5 km long A, B and C started running – McqOptions

MCQOPTIONS

1.	From a point on a circular track 5 km long A, B and C started running in the same direction at the same time with speed of 2¹/₂ km per hour, 3 km per hour and 2 km per hour respectively. Then on the starting point all three will meet again after
A.	30 hours
B.	6 hours
C.	10 hours
D.	15 hours
Answer» D. 15 hours

Discussion

No Comment Found

Related MCQs

If (x - 6) is the HCF of x<sup>2</sup> - 2x - 24 and x<sup>2</sup>- kx - 6, then what is the value of k?
If HCF of x<sup>3</sup> - 10m<sup>2</sup> + 31x - 30m and x<sup>2</sup> - 8mx + 15 is a linear polynomial, then what is the value of m ?
What is the LCM of (x<sup>2</sup> - y<sup>2</sup> - z<sup>2</sup> - 2yz), (x<sup>2</sup> - y<sup>2</sup> + z<sup>2</sup> + 2xz) and (x<sup>2</sup> + y<sup>2</sup> - z<sup>2</sup> - 2xy) ?
The total number of prime factors of the products (8)<sup>20</sup>, (15)<sup>24</sup>, (7)<sup>15</sup> is ?
What are the values of c when the HCF of x<sup>3</sup> + c x<sup>2</sup> - x + 2c and x<sup>2</sup> + cx - 2 over the rational is a linear polynomial ?
The number of prime factors in the expression (6)<sup>10</sup> x (7)<sup>17</sup> x (11)<sup>27</sup> is ?
The number of prime factors in 2<sup>222</sup> x 3<sup>333</sup> x 5<sup>555</sup> is ?
H.C.F . of 2<sup>3</sup>, 3<sup>2</sup> and 15 is ?
L.C.M of 3<sup>3</sup>, 4, 4<sup>2</sup> and 3 is ?
If there number are 2a, 5a, and 7a, what will be their LCM?