For the following questions answer them individually
A pipe can fill a cistern in 9 hours. Due to a leak in its bottom, the cistern fills up in 10 hours. If the cistern is full, in how much time will it be emptied by the leak ?
A skilled, a half skilled and an unskilled labourer work for 7, 8 and 10 days respectively and they together get 369 for their work. If the ratio of their each day’s work is 1/3 : 1/4 : 1/6, then how much does the trained labourer get (in rupees) ?
Two cubes have their volumes in the ratio 27 : 64. The ratio of their surface areas is
The radius of the base of a Conical tent is 12 m. The tent is 9 m high. Find the cost of canvas required to make the tent, if one square metre of canvas costs 120 (Take π = 3.14 )
The difference between the radii of the bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm . Radius of the smaller circle is
If the discount is equal to one fifth of the marked price and the loss is half the discount, then the percentage of loss is
Two successive discounts of 10% and 5%, in this order, are given on a bill of Z 110. Find the net amount of money payable to clear the bill. (answer to the nearest rupee)
The true discount on 1, 860 due after a certain time at 5% is 60. Find the time after which it is due.
If the sum of two angles is 135° and their difference is π/12 , then the circular measure of the greater angle is
If $$\frac{2tan^230^{\circ}}{1-tan^230^{\circ}}+sec^{2}45^{\circ}-sec^{2}0^{\circ}$$ = x sec 60°, then the value of x is
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