Question
24 men can complete 3/5 part of a work in 8 days working
9 hours a day. How many women can complete rest of the work if they work for 8 hours a day for 24 days and efficiency of a man is four times the efficiency of a woman.Solution
Let number of women be W. We know that, (M1 × D1 × H1 × E1)/W1 = (M2 × D2 × H2 × E2)/W2 (24 × 8 × 9 × 4)/(3/5) = (W × 24 × 8 × 1)/(2/5) W = 24
A sum of ₹2,00,000 is invested for 3 years at a compound interest rate of 5% for the first year, 7% for the second year, and 10% for the third year. C...
- Anjali invested Rs. 9,150 at a simple interest rate of 4% p.a. for 5 years. If she receives Rs. '2n' in total, what is the product of all digits in 'n'?
Santosh invested Rs.9000 in a scheme for 6 years which is offering 15% simple interest. The amount received after 6 years from scheme B has been investe...
A certain sum when invested for 3 years in a scheme offering simple interest of 10% p.a. gives an interest of Rs. 756. What is 130% of the sum invested?
The difference between the interest received on a certain sum at the rate of 24% p.a. and 20% p.a. respectively at simple interest for two years is Rs. ...
A sum of Rs. 30,000 is invested in SIP 'C' which offers 12% p.a. simple interest for 3 years. The interest received from SIP 'C' is invested in SIP 'D' ...
Ravi lends Rs. 6000 to two of his friends. He gives Rs.3000 to the first at 15% p.a. simple interest. Ravi wants to make a profit of 20% on the whole. T...
A car with a price of Rs.6,50,000 is bought by making some down payment. On balance, a simple interest of 10% is charged in lump sum and the money is to...
The interest earned on investing Rs. 9000 for 2 years at the rate of 10% p.a., compounded annually, is used to purchase an article. If the article is la...
- Mr. Arun invested Rs. x in Scheme 1 and Rs. x/4 in Scheme 2. The schemes offered simple interest at 7% p.a. and 12% p.a. respectively. If the interest earn...
Relevant for Exams:
