The cost price of 11 pens is equal to the selling price of 10 pens. The profit per cent is
A park is in the shape of semicircle with radius 14 m. The cost of fencing it at the cost of Rs.8 per metre is |
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Rahul invested Rs.5,000 at the rate of 8% simple interest per annum. He received Rs.5,800 after some years. The number of years is |
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The mean mark of 100 students was found to be 40. Later on, it was found that a score of 53 was misread as 83. The correct mean corresponding to the correct Score is |
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The mean of the 5 numbers is 32. If one of the numbers is excluded, then the mean is reduced by 4. The excluded number is |
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A garden is in the form of a rectangle of dimension 30 m x 20 m. A path of width 1.5 m is laid all around the garden on the outside at the rate of Rs.6 per sq.m. What is the total expense? |
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simplify: 2.$\sqrt[3]{40}$+3.\sqrt[3]{625}$-4.\sqrt[3]{320}$ |
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A sector containing an angle of 240° is cut off from a circle of radius 42 cm and folded into a cone, then the curved surface area of the cone is |
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Eight men working 9 hours a day can do a piece of work in 28 days. In how many days will 12 men working for 7 hours a day do the same work? |
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The largest of 100 measurements is 3.84 kg. If the range is 2.46 kg, then the Smallest measurement is |
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The measures of the angles of a triangle are in the ratio 2:4: 6, then the angles of the triangle are |
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