Q$17.$ If the distance travelled by a car in $3$ hours is $252km,$ then find the distance travelled by the car with the same speed in $6$ minutes. a$.12km$ b$.4\mathrm{.}8km$ c$.10km$ d$.8\mathrm{.}4km$ Q$18.$ Sumit walks twice around a square field of side $24m$ while pragya walks thrice around a rectangular field of length $23m$ and breadth $18m.$ Who covers more distance and by how much? a$.$ Pragya, $45m$ b$.$ Sumit, $54m$ c$.$ Pragya, $54m$ d$.$ Sumit, $45m$ Q$19.$ A fair dice is tossed $600$ times. What is the expected number of times that $6$ appears on the top? a$.100$ b$.150$ c$.200$ d$.220$ Q$20.$ Differe