200 new books are distributed to three libraries. Library A receives 15 more books than Library B. Library B receives 25 more books than Library C. How many new books are there in each library ?

Jack and his brother had 550 dollars altogether. Jack spent 60 dollars and his brother spent 30 dollars more than his brother in the end. How much money had Jack at first ?

There were 72 students in Class 3A and Class 3B altogether. If 2 students were transferred from class 3B to class 3A, Class 3A would have 8 more students than Class 3B. How many students were there in Class 3B at first ? 

Carton A and Carton B had 80 apples in all. When 15 apples were transferred from Carton A to Carton B, the two cartons had the same number of apples. How many apples were there in each carton ar first ? 

Vanessa and Ashley have 180 books altogether. Vanessa has 12 more books than Ashley. How many books does each of them have ?

Minh and Khoi have 25 novels. The number of Minh’s novels is $\frac{2}{3}$ of the number of Khoi’s novels. How many novels does each person have ?

The sum of two numbers is 96. Their ratio is $\frac{3}{5}$ . Find the two numbers.

A father is 30 years older than his daughter. The daughter’s age is $\frac{3}{8}$ of the father’s age. Find their ages ?

The difference between two numbers is the greatest 2 – digit number. Their ratio is $\frac{7}{4}$ . Find the two numbers ?

The brothers has 36 marbles altogether. After that he gave $\frac{1}{2}$ his the number of marbles for younger brother so that is 3 marbles less than $\frac{1}{2}$ the number of marbles of younger brother at that time. How many marbles do each of the person have at first ?

Two vans transported goods, the first van transported 2400 kg goods less than the second van. Such that $\frac{1}{4}$ of the number of goods which the first van transported is $\frac{1}{7}$ of that of the second van. How many goods did each of the two vans transport?

The length of a rectangle is $\frac{3}{2}$of it’s the width. If the width is increases by 20m, the rectangle becomes a square. What is the area of the rectangle ?

The number of female students is double the number of male students in a class. If transfers 3 female students, the number of female students is 7 more than the number of the male students. How many students are there in the class ?

A chicken farm such that the number of hens is 345 more than the number of cocks. After buying more 25 cocks then the number of cocks is $\frac{3}{7}$of that of hens. How many chickens are altogether at first  ?

The first number is 51 units more than the second number. If the first number is increases by 18 units then the first number is 4 times the second number. Find the two numbers ?