Question 21: A bicycle wheel of radius 42cm is rolled over a distance of 66m. How many revolutions does it make?
[Take π=22/7]
(a) 2.5
(b) 5
(c) 25
(d) 50
Answer: C
Question 22: In a bag of oranges, the ratio of the good ones to the bad ones is 5:4. If the number of bad ones in the bag is 36, how many oranges are there altogether?
(a) 81
(b) 72
(c) 54
(d) 45
Answer: A
Question 23: A man is four times as old as his son. The difference between their ages is 36. Find the sum of their ages.
(a) 45 years`
(b) 48 years
(c) 60 years
(d) 74 years
Answer: C
Question 24: If 4m+3n = 5, find the ratio m:n 4m-3n 3
(a) 7:4
(b) 4:3
(c) 3:4
(d) 4:7
Answer: A
Question 25: If 2x : (x+1) =3:2, what is the value of x?
(a) ½
(b) 1
(c) 1½
(d) 3
Answer: D
Question 26: The ratio of the number of men to the number of women in a 20 member committee is 3:1. How many women must be added to the 20 member committee so as to make the ratio of men to women 3:2 ?
(a) 2
(b) 5
(c) 7
(d) 9
Answer: B
Question 27: Three men, Bedu, Bakare and Kofi shared N500 in the ratio 3:2:x respectively. If Bedu’s share is N150, find the value of x.
(a) 1
(b) 3
(c) 5
(d) 6
Answer: C
Question 28: The sides of two cubes are in the ratio 2:5, what is the ratio of their volumes?
(a) 4:5
(b) 8:15
(c) 6:125
(d) 8:125
Answer: D
Question 29: Lena bought 400 Alpha Company shares at N1.50 each and sold them at N2.05 each. What was her gain?
(a) N0.55
(b) N20.00
(c) N220.00
(d) N330.00
Answer: C
Question 30: Amma buys 100 oranges at 20 for C 30.00 and another 200 oranges at 4 for C 10.00. If she sells all her oranges at C3.00 each, what was her profit?
(a) C150.00
(b) C250.00
(c) C500.00
(d) C650.00
Answer: B
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