Four runners started running simultaneously from a point on a circular track. They took $200$ seconds. $300$ seconds. $360$ seconds and $450$ seconds to complete one round. After how much time they meet at the starting point for the first time?

$x$ number of men can finish a piece of work in $60$ days. If there were $12$ more men, then the work could be finished in $20$ days less. Find the value of $x$?

In the following question, select the related number from the given alternatives.

ABE: 8: KLO:?

In the following question, select the related word from the given alternatives.

Fox: Cunning:: Rabbit : ?

In this question, a series is given, with one term is missing. Choose the correct alternative from the given ones that will complete the series?

In the given question, a series is given, with one term missing. Choose the correct alternative from the given options that will complete the series.