Time Left - 15:00 mins

# Mathematics quiz on Speed and Work (16-08-2020)

Attempt now to get your rank among 932 students!

Question 1

Find the speed of the stream, if Aman can row 10 km/hr in still water and he finds that it takes him twice as long to row up as to row down the river.

Question 2

Find the speed of the stream if A man rows a boat 20 km in 14 hours upstream and in 5 hours downstream.

Question 3

Amit goes from A to B at a uniform speed of 15 kmph and returns with a uniform speed of 5 kmph. Find his average speed.

Question 4

Shyam travels 400 km by train at 60km/hr, 300 km by ship at 40 km/hr, 200 km by aeroplane at 300 km/hr and 50 km by car at 40km/hr. What is the average speed for the entire distance?

Question 5

If a train reached his destination in 44 hours by moving at  of its own speed, then find the time that it could save if it moves at its own speed?

Question 6

In a hostel, there are 240 students and food stock is for 60 days. If 60 new students join the hostel after 20 days, then in how many days will the complete stock be exhausted?

Question 7

In a fort, there is enough food for 600 men for 38 days. However, after 33 days, if 400 men leave the fort, then for how many days is there enough food for the remaining men?

Question 8

16 women together earn Rs. 72,000 in 24 days by doing a part of a job. How many women work on the other part to earn Rs. 18,000 in 12 days?

Question 9

6 Men or 12 boys can do a piece of work in 24 days and earned Rs 18000. In how many days 3 men and 8 boys can earn Rs 7000?

Question 10

14 men working 8 hours a day can earn Rs. 15000 in 15 days. In how many days can 24 men working 7 hours a day earn Rs. 6000?
• 932 attempts