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Find the value of sin2 30° + tan 30° - 2sec 45°cosec 45° + 3 sin π/4.
Aryan sells a bike to Bikram at 14% more than his cost price. Bikram sells the same bike to Chandu at 9% loss. Chandu sells it to Dev at 8% profit. If Dev buys the bike for Rs 280098, find the cost price of this bike for Bikram.
A shopkeeper marks up the price of an article by 20%. He then gives a discount of 25% on it. By what percent should he increase his selling price so that he reaches a condition of no profit, no loss?
A person gives 20% of his salary to his wife, 25% of the remaining to a hospital (as a donation) and then he has Rs. 7200 with him. What was the initial sum of money with that person?
Find the value of the expression: 56 + 12% of 1750 + [(520 ÷ 5 ÷ 2) of 3]
There are three different sizes 75 cm, 225 cm, and 125 cm of the thread of equal size to cut from each thread. Find the greatest possible value such that no part thread is left.
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Directions: The following table shows the quantity (in kg) of food grains produced by 3 farmers.
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The quantity of wheat produced by farmer Q is what percentage of the quantity of rice produced of P?
Raj decided to increase the speed of his car by 25% and also would like to increase the time of travel by 40%. What is the percentage increase in the distance he covers?
Arrange the following fractions in ascending order:
7/2, 13/6, 11/5, and 17/3.
385 ml of a chemical solution containing chemicals A and B in the ratio 4 : 3 is added to 1040 ml of another solution which contains chemicals A and B in the ratio 7 : 6. What is the ratio of chemical A and B in the final solution mixture?
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