Question
A dozen pairs of gloves of Rs. 180 are available at a
discount of 10%. How many pairs of gloves can be bought for Rs. 54?Solution
Cost of 12 pairs = 180 ⇒ Cost per pair = 180 ÷ 12 = 15 After 10% discount → price per pair = 15 − (10% of 15) = 15 − 1.5 = 13.5 Pairs for Rs. 54 = 54 ÷ 13.5 = 4 pairs
55-litres of paint is added to a mixture of paint and oil in the ratio 3:5. The ratio of paint and oil in the resulting mixture is 4:3. Find the total v...
If f(x) = 2x² – 3x + 1, find value of f(3) + f(–3).
Three colleagues, M, N, and O, have an average age of 27. Ten years ago, their ages were in the ratio of 4:6:7. What is the average age of M and N today?
A laptop was sold for ₹40,500, resulting in a 10% loss. If it had been sold for ₹52,200 instead, what would the profit percentage have been?
5, 24, 47, 76, 113, ?.
Determine the area of an equilateral triangular field having perimeter of 42m.
What will come in the place of question mark in the given expression?
√(16 2 + 3 of 11) + 21% of 300 = ? 2 of 5
Compute P(AǀB), if P(B) = 1.0 and P(A∩B) = 0.64
A is a skew-symmetric matrix of odd order, then which of the following is true?
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