Class 6 Maths - Percentage - Set 01
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Q1) Anne and Vicky made 8 litres of lemonade for a party.
Anne drank 10% of the lemonade she made and Vicky drank 20% of what she made.
Altogether, they drank 800 ml of lemonade.
In the end, Vicky still had 0.9 litres of lemonade more than Anne.
How many litres of lemonade did Vicky make at first?
Ans:_________________
Answer
4.5 litres
Q2) The ratio of the number of adults to the number of children in a store was 5 : 9. 40% of the adults left the store but 288 people remained.
a) How many people were in the store at first?
b) If there were 54 girls in the hall, what percentage of the children were boys?
a) Ans:_________________
b) Ans:_________________
Answer
a) 336 people
b) 75%
Q3) Lisa had a total collection of 160 stamps. 45% of them were local stamps. After giving away some of the foreign stamps to her friend, the number of local stamps left made up 60% of the remaining stamp collection.
How many foreign stamps did Lisa give away?
Ans:________________
Answer
40 foreign stamps
Q4) Roger had a box of marbles. He gave 20 marbles to Jim, 25 marbles to Kenny and kept the rest for himself. Roger found out that Jim had received 40% of the marbles in his box. What percentage of the marbles did Kenny get?
Ans:________________%
Answer
50
Q5) The ratio of Alan's total marks to that of Benji's total marks in their Mid-Year Examinations was 4 : 5. Alan's marks increased by 50% in the End-of-Year Examinations. By what percentrage must Benji's marks be increased so that their total marks would be equal?
Ans:________________
Answer
20%
Q6) Gwen spent 75% of her pocket money and gave 50% of what was left to a needy fund. What was the percentage of her pocket money did she have left?
Ans:______________%
Answer
12.5
Q7) At a fruit stall, 70% of the fruits were oranges. The remaining 72 fruits were apples. After 50% of the total number of fruits was sold, 90 oranges and some apples were left,
a) What was the total number of fruits at the fruit stall at first?
b) What percentage of the unsold fruit were apples?
a) There were 240 fruits at first.
b) 25% of the unsold fruit were apples.
Q8) 46% of the books in a bookshop are English books. The rest are Chinese and Malay books. The ratio of the number of Chinese books to the number of Malay books is 2 : 7. There are 90 more English books than Malay books.
(a) What percentage of the books are Malay books?
(b) How many books are there altogether?
Ans: (a)______________
(b)______________
a) 42%
b) 2250 books
Q9) Emma has 110% of Fatimah's stickers. When Emma gave Fatimah 50 stickers, Fatimah had 110% of Emma's stickers. How many stickers did they have altogether?
Ans:______________________
Answer
1050
Q10) 40% of the cubes in a box were red. 50% of the remaining cubes were blue and the rest were green. If there were 180 cubes in the box, how many green cubes were there?
Ans:________________
Answer
54 green cubes
Q11) Tommy had a total collection of 80 toy cars. 55% of them were sports cars.After he gave some of the sports cars away, the number of sports cars left made up 40% of the remaining toy car collection. How many sports cars were given away?
Ans:_________________
Answer
20 sports cars
Q12) There were 120 more roses than tulips in a florist shop on the first day. On the second day, the florist increased the number of tulips by 30% and sold 20% of the ross, resulting in a total of 726 roses and tulips in the florist shop. How many roses did the florist sell on the second day?
Ans:____________
Answer
The florist sold 84 roses on the second day.
Q13) At netball match, 10% of the spectators were children, 25% of the spectators were men and the rest were women. There were 110 more women than children. How many spectators were there?
Ans:____________spectators
Answer
200
Q14) Ken bought a couch for his new house. Before the 7% GST, the couch cost $755. How much did Ken pay for the couch after including the GST?
Ans: $____________
Answer
807.85
Q15) A computer costs $1600 after a 20% discounts given. What is the price of the computer before discount?
Ans: $____________
Answer
2000
Q16) Mrs Khairul borrowed $235 200 from a bank to start a business. She had to pay yearly interests to the bank as shown in the table below.
|
Year |
Interest paid per year |
|
1 |
5% of original borrowed amount |
|
2 |
4% of original borrowed amount |
|
3 onwards |
3% of original borrowed amount |
(a) What was the average monthly interest she paid in the first year?
(b) What was the total amount of interest she paid for 5 years?
Ans:
(a)____________
(b)____________
Answer
(a) The average monthly interest she paid in the first year is $980.
(b) The total amount of interest she paid for 5 years is $42 336.
Q17) Alan had thrice as many stickers as Yvonne. After Alan and Yvonne had given 40% and 20% of their stickers to Wendy respectively, the number of stickers that Wendy had increased by 14 . Wendy had 1680 stickers in the end. How many stickers did Yvonne have at first?
Ans:____________
Answer
Yvonne had 192 stickers at first.
Q18) The usual price of a pair of shoes was $200. Jackson bought the shoes at a discount of 15%. In addition, he had to ay 7% GST on the discounted price. How much did he pay for the pair of shoes in total?
Ans:____________
Answer
He paid $181.90 for the pair of shoes.
Q19) Keagan spent 25% of his money on petrol and $70 on food. He then spent 30% of his remaining money on clothes and $105 on groceries. Given that he was left with $35, how much money did he have at first?
Ans:____________
Answer
He had $360 at first.
Q20) Mrs Lim had a box of buttons. 40% of the buttons were re, 25% of the remainder were blue and the rest of the buttons were yellow. She had 270 yellow buttons.
(a) How many red buttons were there in the box at first?
(b) If Mrs Lim added in another 40 red buttons into the box, what percentage of the buttons would be red?
Ans:
(a)____________
(b)____________
Answer
(a) There were 240 red buttons in the box at first.
(b) 43.75% of the buttons would be red.