Willy is n years old now. He is 5 years younger than his sister. How old will Willy’s sister in 4 years’ time?
(n + 9) years old
10
Algebraic expression: 12 + 8y – 5y + 4. Write the algebraic expression in its simplest form.
3y + 16
10
A pair of trousers cost $(w/4+2). If w = $64, what is the cost of the trousers?
$18
10
Sarah had $x. Abigail had $3x. The sum of their money was $84. How much money did Abigail have?
$63
10
Jack cut a 6/5 m of wire into 4 equal parts. What was the length of each part of wire? (Give your answer in its simplest form).
3/10 m
10
Mr Joe had $182. He spent 2/7 of his money on transport. How much did he have left?
$130
10
Mom had 3/4 kg of flour. She packed the flour equally into 3 bags. How much flour was there in each bag?
1/4 kg
10
A fruit seller had 112 fruits. 3/7 of the fruits were kiwi fruits and 5/14 of the fruits were oranges. The rest were apples. 14 apples were sold. How many apples were left?
10 apples
10
4/5 of the total number of people in a concert were men. 5/8 of the total number of men did not wear hats, the rest of men wore hats. 36 men wore hats. What was the total number of people in the concert?
120 people
10
Given a ratio as follows. A : B = 3 : 2 and B : C = 5 : 7. Find the ratio of A : B : C?
A : B : C = 15 : 10 : 14
10
There were 70 cars and 55 motorcycles in a parking lot. The number of cars was ... / ... of the number of motorcycles. (Give your answer in simplest form)
The number of cars was 14/11 of the number of motorcycles.
10
Three months ago, Lionel’s height was 160 cm. Now, his height is 164.8 cm. What is the percentage increase in Lionel’s height?
3%
10
Mr Wilson earned an interest of $160 after depositing a sum of money in a bank for one year. The interest rate per year was 4%. How much money did Mr Wilson deposit in the bank?