On a certain principal if the simple interest for two years is Rs. 1400 and compound interest for the two years is Rs. 1449, what is the rate of interest? 

The HCF and LCM of two number are 20 and 120, respectively. If one number is 50 percent more than the other number, then which is the smaller number.

The marked price of a Robot is ₹ 18000. By selling it at a discount of 20%, the loss is 4%. Find the cost price of the Robot.

If a=34, b=c=33, then the value of a3+b3+c3-3abc is 

In a class, the average score of girls in an examination is 73 and that of boys is 71. The average score for the whole class is 71.8. Find the percentage of girls. 

Study the following graph and answer the question that follow.
Number of candidates passed form institutes C and E together is approximately what percentage of the total number of candidates appeared from institutes A and G together?

A and B run a 5 km race on a round course of 400m. If their speed are in the ratio 5: 4, the number of times, the winner passes the other is

The LCM of two consecutive even numbers is 144, find the numbers?