Unit 1 Lesson:6 Exercise 3
Answer the following questions
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Question 1 of 101. Question
1) John had a stock of 1200
books in his bookshop. He sold 75 on Monday, 50 on Tuesday, 64 on Wednesday, 78 on Thursday and 135 on Friday. What percentage of the books were not sold?-
= %
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Question 2 of 102. Question
2) Lora spent 3/4 of her
savings on furniture and the rest on a TV. If the TV cost her $200, what were her original savings?-
=$
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Question 3 of 103. Question
3) The length of a rectangle is increased to 2 times its original size and its width is increased to 3 times its original size. If the area of the new rectangle is equal to 1800 square meters, what is the area of the original rectangle?
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= m2
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Question 4 of 104. Question
4) Pump A can fill a
tank of water in 5 hours. Pump B can fill the same tank in 8 hours. How long does it take the two pumps working together to fill the tank?(round your answer to the nearest minute).-
= hours minutes
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Question 5 of 105. Question
5)The length of a rectangle is four times its width. If the area is 100 m2. What is the length of the rectangle?
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= m
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Question 6 of 106. Question
6) In a school 50% of the students are younger than 10, 1/20 are 10 years old and 1/10 are older than 10 but younger than 12, the remaining 70 students are 12 years or older. How many students are 10 years old?
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= student are 10 years old
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Question 7 of 107. Question
7) James bought a sweater on sale for 30% off the original price and another 25% off the discounted price. If the original price of the sweater was $30, what was the final price of the sweater?
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=$
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Question 8 of 108. Question
8) One-half of Halen’s age two years from now plus one-third of her age three years ago is twenty years. How old is she now?
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= years
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Question 9 of 109. Question
9) A person jogged 10 times along the perimeter of a rectangular field at the rate of 12 kilometers per hour for 30 minutes. If field has a length that is twice its width, find the area of the field in square meters.
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= meters
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Question 10 of 1010. Question
10) The size of the perimeter of the square
ABCD is equal to 100 cm. The length of the segment MN is equal to 5 cm and the triangle MNC is isosceles. Find the area of the pentagon ABNMD.-
= m2
(approximate to 2d.p)
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