16 children are to be divided into two group A and B consisting of 10 and 6 children. The average percent marks obtained by the children of Group A is 75 and the average percent marks of all the 16 children is 76. What is the average percent marks of children of Group B?

If 2x + 3y = 87 and 3x – 3y = 48, what is the value of x?

A and B under took a work Rs 2200. A alone can do the work in 10 days and B alone can do the work in 12 days. If they work together, then what will be the difference (in Rs) in the amount they receive?  

The cost price of 12 pens is equal to the selling price of 8 pens. The profit percentage is:

The ratio of Ram, Shyam, and Mohan's Working speed is 2: 3: 5 if they get Rs 40,000 for some work. Then find the share of Shyam(in Rupees)?

Direction: Study the pie chart carefully and answer the given questions. The pie chart shows the percentage breakup of students in different classes from VI to X in the year 2017

The total number of students study in class VI and class IX together is approximate what percentage more than that of the total number of students study in class X?

The cost price of an article is Rs. 480. If it is sold at a profit of 12.5 percent, what will be the selling price of the article?