The Ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hr, then find the speed of the first train.
Dhanesh covers a certain distance in 1.4 hour by covering of the distance at 4 km/hr and rest at 5 km/hr. Find the total distance travelled Dhanesh.
What will be the difference between the simple interest and compound interest earned on a sum of ₹ 985 @ 14% p.a at the end of 2 years?
A bus left Delhi at 1 p.m. sharp. Three hours later another bus started from Delhi in the same direction. The second bus overtook the first bus at 10 p.m. Find the average speed of the two buses over this journey if the sum of their speeds is 100 km/h.
If a cyclist increases his speed by 40% than his usual speed of 10 km/hr he will be able to cover 20 km more than usual. Find the usual distance travelled by cyclist
At the end of every hour, a bacteria increases by 10%. If there were 10,000 units of bacteria at 10 am, find the units of bacteria at 1 pm.
Amit invested an amount for 5 years getting interest at 11% per annum simple interest. But, due to some financial crises, he withdrew his entire sum after years. If the withdrawal was made after one year, he would have got Rs. 412.50, extra interest. What will be the sum invested by A?
In a resale scheme price of a motorbike depreciates by 10% every year. If a man buys a motorbike for Rs 57000 in January 2010 and sells it in January 2012, find the loss incurred by the man.
Sonam covers 80 km of a journey at 8 km/h and the remaining 60 km of the journey in 4 hours. What is his average speed of the whole journey?
A bullock cart has to cover a distance of 800 km in 20 hours. If it covers half of the journey in 3/5 the time. What should be its speed to cover the remaining distance in the time left?
James took a loan of an equal amount from banks A and B for 30 months and 16 months at % and % per annum respectively at simple interest. If he has to pay Rs 1200 more to Bank A, then what was the sum he borrowed from the two banks?
A thief steals a car at 9 : 30 pm and drives at 60 km/hr. The theft is discovered at 10:00 pm and the owner sets off in another car at 75 km/hr. When will the owner catch the thief?
A man can row 30 km downstream and 30 km upstream in a total of 8 hours. If the speed of the boat in still water is four times the speed of the current, then find the rate of the current.
A street food vendor walks at a speed of 12km per hour from market reaching nearby school 10 minutes after the recess break starts. If he had walked at a speed of 15km per hour, he would have reached the school 10 minutes before the recess break starts. Find the distance between school and market
A man is driving to his office with 9/10th of his usual speed and covers a certain distance in 20 min more than the time he takes to cover the distance at his usual speed. The time taken by him to reach his office with usual speed is
