Level 3
The figure is made up of a four-sided figure and a circle. The area of the four-sided figure is 37 of the area of the circle. Given that 13 of the circle is shaded and the area of the shaded part is 42 cm2, what is the difference between the area of the circle and the area of the four-sided figure?
Level 3
The figure is made up of a four-sided figure and a circle. The area of the four-sided figure is 37 of the area of the circle. Given that 13 of the circle is shaded and the area of the shaded part is 42 cm2, what is the difference between the area of the circle and the area of the four-sided figure?
Level 3
The figure, not drawn to scale, is made up of two identical squares, X and Z and a rectangle Y. The ratio of the area X to the area of Y to the area of Z is 1 : 2 : 1. The ratio of the unshaded part of X to the unshaded part of Z is 2 : 3 respectively. Given that half of the area of X is shaded and the total area of all the shaded parts is 48 m2, what is the area of the whole figure?
Level 3
The figure, not drawn to scale, is made up of two identical squares, X and Z and a rectangle Y. The ratio of the area X to the area of Y to the area of Z is 1 : 2 : 1. The ratio of the unshaded part of X to the unshaded part of Z is 2 : 3 respectively. Given that half of the area of X is shaded and the total area of all the shaded parts is 48 m2, what is the area of the whole figure?
Level 3
Lina, Ron, Evelyn and Henry share the same hobby of collecting stamps. The average number of stamps collected by the 4 friends is 25. Ron collected 8 more stamps than Evelyn but 15 fewer stamps than Lina. Henry collected 3 stamps fewer than Evelyn. Find the average number of stamps collected by Ron, Evelyn and Henry. Round off the answer to the nearest whole number.
Level 3
In a shop that sells t-shirts, 250 blue t-shirts were sold weekly and 25% of the remaining t-shirts that were sold were red. Of the leftover, 40% of the t-shirts sold were yellow t-shirts and the rest were black t-shirts. Given that the number of black t-shirts sold was 20% of the total number of t-shirts sold, how many red and blue t-shirts were sold altogether?
Level 3
Edward spent $340 on shopping, $650 on transport and gave 60% of the remainder to his wife. He then saved the rest of the money, which amounted to 10% of his original sum of money. How much did he give his wife?
Level 3
The average number of cards Jeryl and Ronnie had was 105. The average number of cards Jeryl and Daryl was 67.5. Given that the ratio of the number of cards Ronnie had to the number of cards Daryl had was 5 : 2, find the number of cards Jeryl had.
