The area of a triangle is 126 square metres and its base is 28 metres. Find the height ?
A grocer mixes 26 kg of tea which costs him Rs.200 a kig with 30 kg of tea which costs Rs.360 a kg and sells the mixture at Rs.300 a kg. What is the total percentage of gain ?
45 men complete a piece of work in 30 days working 12 hours a day. In how many days will 60 men complete that work working 10 hours a day ?
What is twice the difference between the biggest and smallest 5 digit numbers formed with digits 0, 2, 3, 6, 7 ?
Two pipes can separately fill up a cistern in 2 hours and 3 hours respectively. If both the pipes are open simultaneously, in how many minutes will the cistern be filled ?
16 men can complete a piece of work in 8 days. 20 women take 16 days to complete the same piece of work. 12 men and 10 women work together for 6 days. How many more days would 10 women alone require to complete the remaining piece of work ?
An urn contains 4 green and 7 blue marbles. If three marbles are picked at random, what is the probability that only two of them are blue ?
In how many different ways can the letters of the word FORMULATE be arranged ?
A certain sum of money was deposited in a bank and it got doubled in 10 years. What is the rate of simple interest ?
A 150 metre long train moving at a speed of 30 m/sec passes a man moving in opposite direction with a speed of 5 m/sec. How many seconds will it take to cross the man ?
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