A car after travelling 18 km from a point A developed some problem in the engine and the speed became 4/5th of its original speed. As a result, the car reached point B 45 minutes late. If the engine had developed the same problem after travelling 30 km from A, the car would have reached B only 36 minutes late. The original speed of the car (in km per hour) and the distance between the points A and B (in km) are

A, B and C individually can finish a work in 6, 8 and 15 hours respectively. They started the work together and after completing the work got ₹ 94.60. when they divide the money among themselves, A, B and C will get respectively (in ₹)

Two trains are traveling in opposite direction at uniform speed 60 and 50 km per hour respectively. They take 5 seconds to cross each other. If the two trains had traveled in the same direction, then a passenger sitting in the faster moving train would have overtaken the other train in 18 seconds. The length of the trains in metres are

Assume that an equal number of people are born on each day. Find approximately the percentage of the people whose birthday will fall on 29th February.

A sum of money compounded annually becomes ₹ 625 in two years and ₹ 675 in three years. The rate of interest per annum is

Every day Asha’s husband meets her at the city railway station at 6:00 p.m. and drives her to their residence. One day she left early from the office and reached the railway station at 5:00 p.m. She started walking towards her home, met her husband coming from their residence on the way and they reached home 10 minutes earlier than the usual time. For how long did she walk?

Three machines, A, B and C can be used to produce a product. Machine A will take 60 hours to produce a million units. Machine B is twice as fast as Machine A. Machine C will take the same amount of time to produce a million units as A and B running together. How much time will be required to produce a million units if all the three machines are used simultaneously?

Mr. and Mrs. Shah travel from City A to City B and break journey at City C in between. Somewhere between City A and City C, Mrs. Shah asks “How far have we travelled?” Mr. Shah replies, “Half as far as the distance from here to City C”. Somewhere between City C and City B, exactly 200 km from the point where she asked the first question, Mrs. Shah asks “How far do we have to go?” Mr. Shah replies “Half as far as the distance from City C to here.” The distance between Cities A and B in km. is

A shop sells ball point pen refills. It used to sell refills for 50 paise each, and there were hardly any takers. When he reduced the price, the remaining refills were sold out enabling the shopkeeper to realize ₹ 35.89. How many refills were sold at the reduced price?

Anand and Bharat can cut 5 kg of wood in 20 min, Bharat and Chandra can cut 5 kg of wood in 40 min. Chandra and Anand can cut 5 kg. of wood in 30 min. How much time Chandra will take to cut 5 kg of wood alone?