Question
Rehman buys 360 apples for Rs. 800. Some of these apples
are rotten and are thrown away. He sells the remaining apples at Rs. 4.50 each and makes a profit of Rs. 739. The percent of apples thrown away are?Solution
Let the number of bad apples = x Cost price of 360 apples = 800 Selling price (360 - x) apples = 4.5 × (360 - x ) = 1620 – 4.5 x According to the question, 1620 – 4.5 x – 800 = 739 4.5 x = 81 x = 18 Required percent = 18/360 × 100 = 5%
If R ÷ S + T + U, which of the following is true?
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Statements : R < Q ≤ T > S = V, D < F ≤ Q
Conclusions : I. T > D II. F < R
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Conclusions : I. T >U II. X ≥ V
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A # B means ‘A is the brother of B’
A @ B means ‘A is the daughter of B’
A & B means ‘A is the husband of B’
A % B ...
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