Excluding stoppages, the speed of a train is 120 kmph and including stoppages, it is 50 kmph. For how many minutes does the train stop per hour?
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The two roots of a quadratic equation are given as x = 1/7 and x = -1/8 . The equation can be written as:
A milkman buys milk at Rs 24 per litre. He adds 1/5 of water to it and sells the mixture at Rs 32 per litre. What will be his gain (in %)?
When a number is increased by 24, it becomes 115% of itself. What is the number?
If (1 + secA)/tanA = x, then x is
Find the largest number of three digits exactly divisible by 15, 18, 27 and 30.
The difference between two numbers is 1146. When we divide the larger number by smaller we get 4 as quotient and 6 as remainder. Find the larger number
If x4 + (1/x4) = 34, then what is the value of x3 – (1/x3)?
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