What will come in place of the question mark (?) in the following questions ?
For the following questions answer them individually
Sharad bought 36 kg of sugar at the rate of Rs. 45 per kg and 24 kg more at the rate of Rs. 40 per kg. He mixed these two varieties and sold the mixture at 20% profit. At what rate per kg did he sell the mixture of sugar ?
The difference between the length and breadth of a rectangle is 6 metre. The length of rectangle is equal to the side of the square whose area is 729 sq. metre. What is the perimeter of rectangle ? (in metre)
Raghuvir bought 10 calculators and 16 watches for Rs. 56000 and sold them at an overall profit of 20%. At what price should he sell 15 calculators and 24 wathces so that he receives the same percentage of profit ?
Some chocolates were distributed among four friends A, B, C and D such that the respective ratio between the number of chocolates received by A and C be 7:9. B got 29 chocolates more than that of A and D got 33 chocolates more than that of C. If B got 15 chocolates more than that of C, how many chocolates did D receive?
Abhijit invested a certain sum at simple interest in a company X at the rate of 15% per annum. He invested the total amount received after two years from company X in another company Y at compound interest for two years at the rate of 12% per annum compounded annually. He received Rs. 81536 at the end of two years. What sum did he invest in company X in the beginning ?
The average weight of 40 students in a class is 55 kg. Six students of them whose average weight is 52 kg leave the class and another group of 6 students whose average weight is 42 kg joins the class. What is the new average of the class ? (in kg)
What will be the compound interest accrued on a sum of Rs. 18600 for two years if the rate of interest for the first year is 8% per annum and that for the second year is 15% per annum ?
The respective ratio between the number of rose and lily flowers in a garden is 3Â : 2. The average number of rose and lily is 180. What is the number of lily flowers in the garden ?
The average of five numbers is 26. The average of first two numbers is 30 and that of the last two numbers is 7. What is the third number ?
