Question
Before servicing, a car runs at a speed of 50 km/hr
while after servicing, it runs at a speed of 60 km/h. After servicing the car covers a certain distance in 10 hours. How much time would the car have taken to cover the same distance when it was not serviced?Solution
After servicing, Distance covered by the car = 60 × 10 = 600 km Required time taken = 600/50 = 12 hours
The cost of 2 pencils, 4 pens, and 8 erasers is Rs. 24 and the cost of 8 pens, 10 pencils, and 4 erasers is Rs. 36. How much will 3 pencils, 3 pens, and...
A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work isÂ
The cost of 2 pencils and 3 pens is RS. 55 and the cost of 7 pencils and 2 pens is RS. 65. What is the total price (in RS) of 2 pens and one pencil?
A worker is paid Rs. 600 for 50 hours per week. Up to 60 hours, he is paid at the normal rate and for over time, twice the normal. How many hours does h...
Two pipes A and B fill a square tank in 28 and 36 hours respectively while a third pipe C can empty it in 63 hours If all three pipes are opened togethe...
A worker is paid Rs. 600 for 50 hours per week. Up to 60 hours, he is paid at the normal rate and for over time, twice the normal. How many hours does h...
A certain no. of candidates who appeared for a Bank exam and 5/12 of the candidates were rejected in pre exam, 60% of the rest candidates were rejected ...
If the cost of 4 pens and 6 notebooks is ₹ 600, then find the cost of 6 pens and 9 notebooks.
A cistern is normally filled in 18 hours, but it takes 12 hours longer to fill because of a leak at its bottom. If the cistern is full, how long will it...
At a farm, the number of heads and legs of chickens and cows was counted, and it was found that there were 40 heads and 120 legs. Find the number of chi...
Relevant for Exams:
