On a Rs. 10000 payment order, a person has choice between 3 successive discounts of 10%, 10% and 30%, and 3 successive discounts of 40%, 5% and 5%. By choosing the better one he can save (in rupees)
A merchant has 1000 kg of sugar, part of which he sells at 8% proflt and the rest at 18% profit. He gains 14% on the whole. The quantity (in kg.) sold at 18% profit is :
Three yeas ago the average age of A and B was 18 years. While C joining them now, the average becomes 22 years. How old (in years) is C now ?
The mean temperature of Monday to Wednesday was 37°C and of Tuesday to Thursday was 34° C. If the temperature on Thursday was 4/5th that of Monday, then what was the temperature on Thursday ?
A, B and C started a business with their investment in the ratio 1 : 3 : 5. After 4 months, A invested the same amount as before and B as well as C withdrew half of their investments. The ratio of their profits at the end of the year was :
