A train leaves Delhi at 6.00 a.m. and reaches Agra at 10.00 a.m. Another train leaves Agra at 8.00 a.m. and reaches Delhi at 11.30 a.m. At what time do the two trains cross each other if the distance between Delhi and Agra is 200 km?
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How many litres of a 90% solution of concentrated acid needs to be mixed with a 75% solution of concentrated acid to get a 30 L solution of 78% concentrated acid? |
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If x is a positive number and y = x2, then which of the following is true? |
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Rajiv has a number x in his mind. He finds out that the square of x is less than x. What is the range of x? |
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What is the value of: x1.5 * x2 ? |
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What is the value of: (33*812*20)/95 ? |
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What number should be divided by (0.81)1/2 to give the result as 81? |
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If 6(x-3) = 36(x-5), then what is the value of x? |
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Which is the largest among 21/2, 51/3 and 41/4 ? |
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What is the value of 10009/1004? |
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In how many different ways can the letters of the word OPTICAL be arranged so that the vowels always come together ? |
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