Home
Class 12
MATHS
A car moves 30 km in t hours and afterwa...

A car moves 30 km in t hours and afterwards its speed is increase by 3 km per hour. Then its new speed per hour is :

A

`30t+3`

B

`33/t+3`

C

`33/t+3`

D

30(t-3)

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Number of erthyrocytes formed per hour is

An automobile driver travels from a plain to a hill station 120 km away at an average speed of 30 km per hour. He then makes the return trip at an average speed 25 km per hour. He covers another 120 km on the plain at an average speed of 50 km per hour. His average speed (in km/hr) over the entire distance of 360 km will be

A train ran at x km per hour from A to B and returned from B to A at y km for hour. The average speed (in km hour) is

A locomotive engine without wagons can go 35 km per hour and its speed is diaminished by a quantity which varies as the square root of the number of wagons attached , with 9 wagons its speed is 20 km per hour . Find the least number of wagons which the engine can move.

An automobile driver travels from plain to a hill station 120 km distant at an average speed of 30 km per hour. He then makes the return trip at an average speed of 25 km per hour. He covers another 120 km distance on plain at average speed of 50 km. per hour . His average speed over the entire distance of 360 km will be

An aeroplane flows towards the north from an airport at a speed of 1000km per hour.In the same time another aeroplane also flows towards the west at a speed of 1200 km per hour the same place. Then the distance between the aeroplanes after 1 (1)/(2) hours will be