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The marked price of a wardrobe is ₹668, which is 22% above the cost price. If the profit percentage is 7%, find the discount percentage (rounded off to two decimal places).
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A group of people consists of men, women, and children. Among them, 20% are men, 30% are Women, and the rest are children, and their average weights are 50 kg, 40 kg, and 30 kg, respectively. The average weight of the group (in kg) is:
If (sin x + sin y) = a and (cos x + cos y) = b, then find the value of (sin x sin y + cos x cos y).
Given that 120.36 = x, 120.64 = y and xz = y4, then the value of z is close to:
A boat travels 14 km upstream in 14 hours and 171 km downstream in 9 hours. What is the speed of the boat in still water?
The correct answer is Option 4 i.e. 10 km/hr.
Let the speed of the river be y km/hr
and, the speed of the boat in still water be x km/hr
According to the question,
⇒ x - y = 14/14 = 1 km/h
⇒ x + y = 171/9 = 19 km/h
2x = 1 + 19
So, x = 10 km/hr
The difference between the simple interest and the compound interest, compounded annually, on a certain sum of money for 2 years at 16% per annum is ₹797. Find the sum (rounded off to the nearest integer).
In a quadrilateral ABCD, ∠A = 53° and ∠B = 46°. The bisectors of ∠C and ∠D meet at O. What is the measure of ∠DOC?
Two pipes, A and B, can fill a tank of 7800 litres in 12 hours and 10 hours, respectively. If they are opened together, how many hours will they take to fill an empty tank of 8800 litres?
Find a single discount (rounded up to two decimal places) to equal three consecutive discounts of 6%, 28% and 15%.
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