LET'S TRY MATHS QUIZ 2 (ONE FOR THE TEACHERS)
Posted: Sun Mar 09, 2008 11:46 am1. A kite's diagonal (AC) is 4.5 cm long. The other diagonal (BD) is 3.5 cm longer than the diagonal AC. What is the area of the kite ABCD? 18 CM^2
2. Simplify: 5x/3 * 6x/15 2/3X^2
3. A jar contains 5 blue marbles, 8 red marbles, and 3 black marbles. Tom picks a marble at random from the jar and then John draws at random another marble from the jar. What is the probability that Tom draws a red marble and John draws a blue one? 1/6
4. What will be the diameter of a circle with circumference 12 inches? 3.82 INCHES
5. Tom scores 4.5 out of 5 in a maths test. What is his percentage mark? 90%
6. A radio is bought for $16 and sold for $18. What is the percentage profit? 12.5%
7. What do you call two angles on a straight line that add up to 180 degrees? SUPPLEMENTRY
8. The angles of a triangle have the ratio 5:7:6. What is the product of the smallest and largest angle? 3500
9. A rectangular box measures 30 cm by 20 cm by 18 cm. How many cubic centimetres of rice can be put in the box? 10800
10. Jill bought a pair of jeans for $5. She liked those jeans so she decided to buy 5 more pairs of jeans. How much does she need to earn to buy 5 more pairs of jeans? $25
11. An angle measuring 60 degrees is measured as 62 degrees. What is the percentage error correct to 3 significant figures? 3.33%
12. In a group of x children, 10 like Maths and 25 like English. 7 like both subjects and 17 like neither. How many children are there in the group? (Hint: If 10 children like Maths, this does not mean ONLY 10 children like Maths.) 45
13. A box contains 20 fresh fruits: some mangoes and some grapes. If there are 8 more mangoes than grapes, how many mangoes are there? 14 MANGOES / 6 GRAPES
14. A card is drawn at random from an ordinary pack of playing cards. What is the probability that it is neither a face card nor a black card? 5/13
15. What is the value of 64^(2/3)? 16
16. The area of a face of a cube is 81 cm^2. What is the volume of the cube in cubic centimeters? 729CM^3
17. What is the supplement of ([dozen sixes] + 80)degrees? 28 DEGREES
18. A man needs to sell a cuckoo-clock originally costing $300 to make an exact profit of 10%. How much should he sell it for? $330
19. If 5/8 of the children in a school are boys and the school consists of 2400 students, how many girls are there? 900
20. Jack's average mark after 8 results was 54. This dropped to 49 when he received his ninth result which was for Maths. What was his Maths mark?9
2. Simplify: 5x/3 * 6x/15 2/3X^2
3. A jar contains 5 blue marbles, 8 red marbles, and 3 black marbles. Tom picks a marble at random from the jar and then John draws at random another marble from the jar. What is the probability that Tom draws a red marble and John draws a blue one? 1/6
4. What will be the diameter of a circle with circumference 12 inches? 3.82 INCHES
5. Tom scores 4.5 out of 5 in a maths test. What is his percentage mark? 90%
6. A radio is bought for $16 and sold for $18. What is the percentage profit? 12.5%
7. What do you call two angles on a straight line that add up to 180 degrees? SUPPLEMENTRY
8. The angles of a triangle have the ratio 5:7:6. What is the product of the smallest and largest angle? 3500
9. A rectangular box measures 30 cm by 20 cm by 18 cm. How many cubic centimetres of rice can be put in the box? 10800
10. Jill bought a pair of jeans for $5. She liked those jeans so she decided to buy 5 more pairs of jeans. How much does she need to earn to buy 5 more pairs of jeans? $25
11. An angle measuring 60 degrees is measured as 62 degrees. What is the percentage error correct to 3 significant figures? 3.33%
12. In a group of x children, 10 like Maths and 25 like English. 7 like both subjects and 17 like neither. How many children are there in the group? (Hint: If 10 children like Maths, this does not mean ONLY 10 children like Maths.) 45
13. A box contains 20 fresh fruits: some mangoes and some grapes. If there are 8 more mangoes than grapes, how many mangoes are there? 14 MANGOES / 6 GRAPES
14. A card is drawn at random from an ordinary pack of playing cards. What is the probability that it is neither a face card nor a black card? 5/13
15. What is the value of 64^(2/3)? 16
16. The area of a face of a cube is 81 cm^2. What is the volume of the cube in cubic centimeters? 729CM^3
17. What is the supplement of ([dozen sixes] + 80)degrees? 28 DEGREES
18. A man needs to sell a cuckoo-clock originally costing $300 to make an exact profit of 10%. How much should he sell it for? $330
19. If 5/8 of the children in a school are boys and the school consists of 2400 students, how many girls are there? 900
20. Jack's average mark after 8 results was 54. This dropped to 49 when he received his ninth result which was for Maths. What was his Maths mark?9
