Two trains 120 metres and 150 metres long, respectively, are running in the same direction with speeds of 70 km/h and 52 km/h, respectively. In how much time will the first train cross the second? (in seconds)
The area of a trapezium is 180 cm2 and two parallel sides are 28cm and 12cm. The distance between these parallel sides is ?
Water is pouring into a cuboidal reservoir at the rate of 50 litres per minute. The volume of the reservoir is 120m3. How many hours will it take to fill the reservoir?
The difference between the compound interest (compounded annually) and simple interest for an amount of ₹85,000 in 2 years is ₹850. Find the rate of interest per annum.
₹3,600 is divided such that half of the first part, one third of the second part, one fifth of the third part are the same. The value of the third part is ?
A store sells an item for 500, making a profit of 25%. Later the store reduces the price of the item by 20% to clear out old inventory. What is the new percentage profit or loss for the store?
Two trains 120 metres and 150 metres long, respectively, are running in the same direction with speeds of 70 km/h and 52 km/h, respectively. In how much time will the first train cross the second? (in seconds)
A cyclist travels 15 km at a speed of 10 km/h and then travels another 15 km at a speed of 20 km/h. What is the average speed of the cyclist for the entire journey? (round to two places of decimals)
Susanth purchased 3 packs of oil at the rate of ₹20 each, 4 packs of oil at ₹21 each and 3 packs of oil at the rate of ₹22 each. What is the average cost of one pack of oil?
A man can finish work in 12days and a woman can finish the same in 10 days. 2 men and 3 women work on alternate days and men start the first day. The work will be finished in _____ days
\(\frac{22}{3}\)
\(\frac{24}{5}\)
\(\frac{22}{5}\)
\(\frac{21}{5}\)
During the first year, the population of a town increased by 10% and during the next year, the population decreased by 10%. If the total population of the town was 19,800 at the end of the second year, find the population size at the beginning of the first year.