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Out of the total production of iron from hematite, an ore of Iron, 20% of the ore gets wasted, and out of the remaining iron, only 25% is pure iron. If the pure iron obtained in a year from a mine of hematite was 80,000 kg, then the quantity of hematite mined from that mine in the year is
Out of three number, the first is twice the second and is half of the third. If the average of the three number is 56, the three number on order are ?
Out of three numbers, the first is twice the second and is half of the third. If the average of three number is 56, the three number in order are ?
P and Q are two positive integers such that PQ = 64. Which of the following cannot be the value of P + Q?
P and Q invested in a business. The profit earned was divided in the ratio 2 : 3. If P invested Rs 40000, the amount invested by Q is
P can complete 1/4 of a work in 10 days, Q can complete 40% of the same work in 145 days. R, complete 1/3 of the work in 13 days and S, 1/6 of the work in 7 days. Who will be able complete the work first ?
P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?
P is 6 times greater than Q then by what per cent is Q smaller than P?
P started a business with Rs. 45000 and another person Q joined after some period with Rs. 30000. Determine this period after R joined the business if the profit at the end of the year is divided in the ratio 2:1.
P, Q and R can do a piece of work in 24 days, 30 days and 40 days respectively. They start the work together but R leaves days before the completion of the work. In how many days is the work done?
