Question
The shopkeeper sold the earrings at the profit of 25%
and the cost price of earrings is Rs.1500. He earns x% profit on bracelet costing Rs.1250. If the overall profit on selling both earrings and bracelet is 30%, then find the value of x?Solution
Overall profit = 30/100 Γ (1500 + 1250) = 825 Profit on Earrings = 1500 Γ 25/100 = 375 Profit on Bracelet = 825 β 375 = 450 => x = (450/1250) Γ 100 => x = 36%
A and B can complete a task in 12 days and 16 days respectively. They start working together but B leaves after 4 days. In how many more days will A com...
A man running with the speed of 56 km/hr covers a certain distance in βxβ hours. If the same distance can be travelled with a speed of 63 km/h in (x...
Before servicing, a car runs at a speed of 45 km/hr while after servicing, it runs at a speed of 90 km/h. After servicing the car covers a certain dista...
The ratio of the speeds of two trains is 5:6. If each train increases its speed by 10 km/hrs., the ratio becomes 6:7. What is the original speed of the ...
Two friends start running on a circular track of 900 metres in opposite directions. One runs at 18 m/s and the other at 27 m/s. When will they first be ...
The speeds of Vishank and Karun are 60 km/hr and 90 km/hr. Initially, Karun is at a point P and Vishank is at a place Q. The distance between P and Q is...
A train is travelling at the rate of 45 km/hr. How many seconds it will take to cover a distance of 5/8 km?
Speed of an aircraft is 120 km/min. This speed in m/sec is:
- A person completes a journey in 300 minutes by train at a speed of 60 km/h. What should be his speed by bus to cover the same distance in 7 hours?
A cheetah can catch a deer running with a speed of 90 km/h and is 80 meters ahead of it, in 16 seconds. Find the time taken by the cheetah to catch a ze...