Let the sum invested be Rs. x Therefore, simple interest received = Rs. (x - 450) According to the question, {(x x 12 x 7)/100} = x - 450 0.84x = x - 480 0.16x = 480 x = 480/0.16 = 3000 Therefore, simple interest received = x - 480 = 3000 - 480 = Rs. 2520
The price of a sweater is increased by 30% and then decreased by 20%. What is the net change in the price(in%)?
A person purchases 50 shares of a company at a price of Rs 80 per share. He sells part of these shares at a 25% profit and the rest at a 15% loss. If hi...
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Aditi, Bishnu, and Chetna initiated a business with the capital invested by Aditi and Bishnu in a ratio of 9:8. Chetna invested Rs. 800 less than Bishnu...
In a hospital, the ratio of nurses to doctors is 5:2. 30% of nurses and 40% of doctors are working in the emergency department, and 20% of the remaining...
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Z spends 60% of his salary and saves the remaining. After his salary is increased by 30%, he saves 55% of the increased amount besides the amount he use...
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A student has to secure 40% marks to pass an examination. He gets 150 marks and fails by 30 marks. What are the maximum marks?
The income of P is 3/5th of the income of Q and income of R is 30% more than the income of Q. Income of Q is Rs.30000 and expenditure of P is...
