A Tricky 'n' Easy Maths Quiz! (4)

15 Points Per Correct Answer - No time limit  

1. An angle measuring 60 degrees is measured as 62 degrees. What is the percentage error correct to 3 significant figures? 3.23% 3.33% 37.2% 35.5%

2. 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.) 59 38 25 45

3. What is the dividend on £320.80 at 15p per £? (Hint: 1 pound = 100 pence) £4812 0.4812 p 48.12 p £48.12

4. A box contains 20 fresh fruits: some mangoes and some grapes. If there are 8 more mangoes than grapes, how many mangoes are there? Answer: (Type the number only (in digits))

5. 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? 20/52 = 5/13 10/52 = 5/26 14/52 = 7/26 16/52 = 4/13

6. A certain number of two digits is decreased by 54 when the digits are interchanged. The tens digit is three times the unit digit. Find the number. Answer: (The number 23 does not mean 2 * 3; it means 2 * 10 + 3. Type the number only (in digits).)

7. What is the value of 64^(2/3)? 16 42.67 8 455.11

8. A pile of 15 boxes is 3 metres high. What is the depth of each box? 5 m 0.002 km 200 mm 200 cm

9. The area of a face of a cube is 81 cm^2. What is the volume of the cube in cubic centimeters? Answer: (Type the number only (in digits - don't type the units!))

10. What is the volume of a cylinder with diameter 296 cm and height 3.054 m (correct to 3 s.f.)? None of these 21000000.0 cm^2 21.0 m^3 2100.0 cm^3

11. From a stick 2y metres long, I cut a piece of length 4y centimetres. What fraction of the original stick remains? None of these -1/2y 49/50 -2y

12. What is the supplement of ([dozen sixes] + 80)degrees? 188 degrees 22 degrees 82 degrees 28 degrees

13. 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? Answer: (Type the number only (in digits - no units!))

14. If 5/8 of the children in a school are boys and the school consists of 2400 students, how many girls are there? 900 1440 1500 1477

15. 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? Answer: (Type the number only (in digits))