If x = y = 333 and z = 334, then the value of x³ + y³ + z³ – 3xyz is

The ratio of number of boys and girls in a school of 720 students is 7:5. How many more girls should be admitted to make the ratio 1 : 1?

A can finish a piece of the work in 16 days and B can finish it in 12 days. They worked together for 4 days and then A left. B finished the remaining work. For how many total number of days did B work to finish the work completely?

A sum invested at compound inrerest amounts to ₹7,800 in 3 years and ₹11,232 in 5 years. What is the rate per cent? 

The 4th term of an arithmetic progression is 15, 15th term is -29, find the 10th term?

In what ratio should a grocer mix tea of ₹ 60 per kg with tea of 65 per kg so that by selling the mixture at the rate of ₹ 68-20 per kg, he should make a profit of 10%

Twenty-one time of a positive number is less than its square by 100. The value of the positive number is

Priyanshu's salary was reduced by 10% and then the reduced salary was increased by 10%. His new salary in comparison with his original salary is: