To cover a distance of 252 km in 2.5 hours what should be the average speed of the car in meters/second?
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Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?
Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?
If x - y = -8 and xy = 45, then (x2 + y2) is
If 3x-5(x-1) > 2x - 1 < 2 + 4x; then x can take which of the following values?
A vendor buys apples at the rate of 21 for Rs 7 and sells at the rate of 5 for Rs 2. What will be the result?
Who was the second woman to become the president of the Indian National Congress in 1925 and the first Indian woman to do so?
If demand curve for trekking boots is D = 67500 - 18P and supply curve is S = 22500 + 12P, find the equilibrium Price?
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