## Bharat Gupta is teaching live on Unacademy Plus

TIME, SPEED AND DISTANCE Distance constant - 3

Too early too late If a boy walks from his house to school at the rate of s1 km per hour, he reaches the school ty minutes earlier than the scheduled time. However, if he walks at the rate of s2 km per hour, he reaches t2 minutes late. 23 6D

Too early too late SD Too early-early or too late-late Go

Application of Too early too late formula If a boy walks from his house to school at the rate of 4 km per hour, he reaches the school 10 minutes earlier than the scheduled time. However, if he walks at the rate of 3 km per hour, he reaches 10 minutes late. Find the distance of his school from his house. a. 5 km b. 4 km c. 6 km d. 4.5 km

Application of Too early too late formula If a boy walks from his house to school at the rate of 4 km per hour, he reaches the school 10 minutes earlier than the scheduled time. However, if he walks at the rate of 3 km per hour, he reaches 10 minutes late. Find the distance of his school from his house. a. 5 km b. 4 km c. 6 km d. 4.5 km Go 60

A student walks from his house at 4 km/hr and reaches his school 5 min too late. If his speed had been 5 km/hr, he would have reached 10 min too early. The distance of the school from his house is a. km 5 dkm 27 c. 5 km 3 9

A student walks from his house at 4 km/hr and reaches his school 5 min too late. If his speed had been 5 km/hr, he would have reached 10 min too early. The distance of the school from his house is a. km 5 27 c. 5 km 3 9 6 GS - Sewm

Hari walks from his home at 5 km/hr and reaches his office 10 minutes late. The next day he increases his speed by 1 km per/hour and reaches 4 minutes late. The distance of his office from his home is- a. 1 km b. 2 km c. 3 km d. 2.5 km

Hari walks from his home at 5 km/hr and reaches his office 10 minutes late. The next day he increases his speed by 1 km per/hour and reaches 4 minutes late. The distance of his office from his home is- a. 1 km b. 2 km c. 3 km d. 2.5 km da (Ant) 6-S 1o

With a uniform speed a car covers a distance of 600 km. If it had moved 10 kmph faster, it would have taken 10 hrs less. What is the speed of the car (in m/ sec)? a. 70 100 18 18 2 b. C. d. 100 9