India Languages, asked by dainvincible1, 1 year ago

A car travelling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.

Answers

Answered by Anonymous

4

Time taken = 1 hr 40 min 48 sec = 1 hr 40 4/5min = 1 51/75hrs =126/75hrs.

Let the actual speed be x km/hr.

Then,5x/7 x 126/75= 42

x =42 x 7 x 75/5 x 126= 35 km/hr.

Previous Question

Next Question

Similar questions

English, 7 months ago

1 point possible (graded) Q3. Which of the following would typically NOT be in the code of ethics? 1)Definitions of what constitutes both ethical and corrupt conduct. 2)Advice on career progression and technical training. 3)Directives on personal and professional behaviour. 4)A mechanism for enforcing the code, including sanctions for violations. 5)Advice on interpreting and implementing the...

Social Sciences, 7 months ago

what do u mean by international resource...

Physics, 7 months ago

What is the usual name of the forces which cannot produce motion in a body but only change its shape?

Chinese, 1 year ago

A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:...

Chinese, 1 year ago

The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the first train is:...

History, 1 year ago

Why was discovery of fire an important achievement...

Math, 1 year ago

Find the Minimum Number of Tiles Rectangular courtyard 3.78 m long and 5.25 m wide is to be paved exactly with square tiles all of the same sizes. Find the minimum number of tiles?

Math, 1 year ago

Find the Next Number - 11, 23, 47, 83, 131 What is the next number of the following series. 11, 23, 47, 83, 131, ? a. 145 b. 178 c. 176 d. 191.