Small Test

All right guys, today is the test which is to test your knowledge and skill about the 6 lessons. There will be a total of 6 questions and the total mark for this test is 20. Let begin now.

Question 1:

James had a number of coloured balls in his ball pit. 1/4 of the balls were red, 2/3 of the remaining balls were blue and the rest were green. Given that there were 120 red and green balls altogether, how many balls were there in the ball pit? (3 marks)

Question 2:

The ratio od the number of voters in Town A to that of Town B is 4:5. There are 20% more voters in Town C than in Town B. Given that there are 400 more voters in Town C than in Town A, find the total number of voters in the three towns. (3 marks)

Question 3:

80% of the area of Rectangle A is the same as 75% of the area of Rectangle B. Rectangle A is 5cm2 smaler than Rectangle B. Given that they both have a breadth of 5cm, find the difference in their perimeters. (3 marks)

Question 4:

There were 3/5 as many children as adults on a bus. At the next bus stop, 6 children and 5 adults boarded the bus. Then they were 3/4 as many children as adults on the bus. How many children were there on the bus at first? (3marks)

Question 5:

Ray had 75% as much as money as Paul. After Ray received $200 from his uncle and Paul spent $50. Ray had twice as much money as Paul. Find the sum of money Ray had at first. ( 4 marks)

Question 6:

There were 80 oranges and apples in a basketball at first. 2/5 of the oranges and 2/3 of the apples were eaten. In the end, there were 36 of these fruits left. How many oranges were there in the basket at first? (4 marks)

End of the Small Test. Check your work.

Answers:

Q1: 240
Q2: 3000
Q3: 2cm
Q4: 9
Q5: $180
Q6: 35


Reference from the book "Challenging Maths Problems Made Easy" by Ammiel Wan Chee Hong