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Let the cost price of each lamp be Rs. z. Initial selling price of all lamps = 1.2 × 25 × z = Rs. 30z According to the question, 30z + 2500 = 1.4 × 25z Or, 35z - 30z = 2500 Or, 5z = 2500 Or, z = 500 Therefore, the selling price of 18 lamps at 30% profit = 18 × 1.3z = Rs. 11700
The certain sum amounts to Rs 12644.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
A person lends ₹16,000 to a client at a simple interest rate of 8% per annum. After 30 months, the client repays ₹9,200 and requests an extension fo...
Simple interest on a sum of money for 2 years is 1/5th of the sum, then the interest received in 5 years on same principal will be what time of the prin...
‘J’, ‘K’ and ‘L’, each of them invested Rs. 5000 at the rate of 18% p.a., 22% p.a. and 40% p.a., respectively for 6 years, 5 years and 3 yea...
A man invested Rs. 16,000 at simple interest of 'x%' p.a. and received Rs. 32,000 after 2 years. If he had invested Rs. 21,000 at simple interest of 'x%...
A man invested certain sum at simple interest of r% p.a. such that it amounts to 140% of itself in 2 years. Find the interest earned when Rs. 3200 is in...
A bank pays simple interest at 4% per annum on the first Rs.5500 and an interest of 6% for amounts above that. Find the interest earned by Sameera if sh...
A man invested Rs. 'B' at simple interest of 18% and Rs. 'B + 4000' at simple interest of 14% p.a., for 4 years each. If the interest earned from both i...
Determine the value of 'K' if an investment of Rs. 30,000, made under a simple interest scheme at an annual rate of 18%, yields an interest amount of Rs...
A man wants to invest Rs. 60660 in bank accounts of his two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at a...
