Question
A man purchased 'n' apples and sold them at Rs. 'n' per
apple. If the selling price per apple had been reduced by 20%, the total profit he would have earned would have been Rs. 80 less than his actual profit. Find the value of 'n'.Solution
ATQ; (n2) - 0.8n2 = 80 Or, 0.2n2 = 80 So, n2 = 400 So, n = 20
If total lakes in X are 25% more than total parks in P and total parks in X are 50% more than total parks in R, then find total parks and lakes in X.
Find the median of the set of the numbers given below:
13,11,9,7,15,14,12,8,5,9,10
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The number of tangents that can be drawn from the point (2, 2) to the circle x² + y² = 8 is:
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If A and B are both symmetric matrices of the same order, then which of the following is necessarily skew-symmetric?
Determine the area of the largest circle that can be inscribed inside a square with a side length of 28 cm? (Use π = 22/7)
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Kevin and Ben started a business with initial investments in the ratio of 4:5. After six months, Kevin increased his investment by 25%, and Ben increase...
A rectangular water reservoir contains 42,000 liters of water. Find the depth of water in the reservoir, if the base measures 6m by 3.5m
