The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test?
35
25
415
15
215
Correct answer is C
No explanation has been provided for this answer.
Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places?
9.60m
6.06m
2.54m
2.53m
2.00m
Correct answer is D
A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = 227)
14.1cm2
95.5cm2
190.9cm2
381.9cm2
763.7cm2
Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2750, find y.
51
48
30
18
Let the total score for the girls and the boys be A and B respectively.
A20=52⟹A=52×20
A = 1040
By=57⟹B=57y
1040 + 57y = 2750
57y = 2750 - 1040
57y = 1710
y = 171057
y = 30
If y2+ 14y + k is a perfect square, then k =
4
7
28
49
196
English Language
Mathematics
Biology
Chemistry
Physics
Agricultural Science
Geography
Government
Economics
History
Fine Arts
Commerce
Music
Physical Education
Further Mathematics
Literature in English
Islamic Religious Knowledge
Christian Religious Knowledge
Office Practice
Marketing
Civic Education
Insurance
Accounting
Data Interpretation Questions and Answers
Abstract Reasoning Questions and Answers
Microsoft Office Questions and Answers
Situational Judgement Questions and Answers
Verbal Reasoning Questions and Answers
Personality Test
Spatial Reasoning Questions and Answers
Typing Speed and Accuracy Test
Numerical Reasoning Questions and Answers
Quantitative Reasoning Questions and Answers
Logical Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
Puzzles Questions and Answers
See all →