Question

the speed of a train is 120 km per hour it is increased by 10% find the increase in the speed also find its newest speed

Answer 1

Speed of train= 120 kmph
Increase in speed= 10%
Increase in speed= 10% of 120
= 10/ 100 × 120
= 12 kmph
New speed = old speed + increase
= 120 + 12 = 132