**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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