In a class of 40 students and 5 teachers, each student got sweets that are 15% of the total number of students and each teacher got sweets that are 20% of the total number of students. How many sweets were there ?

A sum of money is divided among A, B, C and D in the ratio of 3 : 7 : 9 : 13 respectively. If the share of B is Rs. 4,872, then what is the total amount of money of A and C together ?

In an examination it is required to get 310 of the aggregate marks to pass. A student gets 28% marks and is declared failed by 93 marks. What are the maximum aggregate marks a student can get ?

Mr. Vijay deposits an amount of Rs. 45,500 to obtain a simple interest at the rate of 11 p.c.p.a for 3 years. What total amount will Mr. Vijay get at the end of 3 years?