Year : 
1998
Title : 
Mathematics (Core)
Exam : 
WASSCE/WAEC MAY/JUNE

Paper 1 | Objectives

61 - 63 of 63 Questions

# Question Ans
61.

A trader makes a loss of 15% when selling an article. Find the ratio, selling price : cost price

A. 3:20

B. 3:17

C. 17:20

D. 20:23

C

62.

The side of a square is increased from 20cm to 21cm. Calculate the percentage increase in its area

A. 2.5%

B. 9.3%

C. 10.0%

D. 10.25%

Detailed Solution

old area = 202 = 400
new area = 212 = 441
% increase in area \(=\frac{41}{400}\times \frac{100}{1}\\
=10.25\%\)
63.

Arrange in ascending order of magnitude \(26_8, 36_7, and 25_9\)

A. \(25_9 26_8 36_7\)

B. \(26_8 25_9 36_7\)

C. \(36_7 26_8 25_9\)

D. \(36_7 25_9 26_8\)

B

61.

A trader makes a loss of 15% when selling an article. Find the ratio, selling price : cost price

A. 3:20

B. 3:17

C. 17:20

D. 20:23

C

62.

The side of a square is increased from 20cm to 21cm. Calculate the percentage increase in its area

A. 2.5%

B. 9.3%

C. 10.0%

D. 10.25%

Detailed Solution

old area = 202 = 400
new area = 212 = 441
% increase in area \(=\frac{41}{400}\times \frac{100}{1}\\
=10.25\%\)
63.

Arrange in ascending order of magnitude \(26_8, 36_7, and 25_9\)

A. \(25_9 26_8 36_7\)

B. \(26_8 25_9 36_7\)

C. \(36_7 26_8 25_9\)

D. \(36_7 25_9 26_8\)

B