Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.
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Question 241: The pie chart above shows the distribution of students in a secondary school class. If 30 students offered French, how many offered CRK?
Options:
A) 25
B) 15
C) 10
D) 8
Show Answer
The correct answer is C .
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Question 242: A number is chosen at random from 10 to 30 both inclusive. What is the probability that the number is divisible by 3?
Options:
A)
B)
C)
D)
Show Answer
The correct answer is C .
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Question 243: A market woman sells oil in cylindrical tins 10cm deep and 6cm in diameter at ₦15.00 each. If she bought a full cylindrical jug 18cm deep and 10cm in diameter for ₦50.00, how much did she make by selling all the oil?
Options:
A) ₦62.50
B) ₦35.00
C) ₦31.00
D) ₦25.00
Show Answer
The correct answer is D .
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Question 244:
Find the length of a chord 3cm from the centre of a circle of radius 5cm
Options:
A) 8cm
B) 5.6cm
C) 7cm
D) 6.5cm
Show Answer
The correct answer is A .
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Question 245: The mean of the ages of ten secondary school pupils is 16 but when the age of their teacher is added to it the men becomes 19. Find the age of the teacher
Options:
A) 27
B) 35
C) 38
D) 49
Show Answer
The correct answer is D .
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Question 246: A rectangular polygon of (2k + 1) sides has 140o as the size of each interior angle. Find k
Options:
A) 4
B) 4
C) 8
D) 8
Show Answer
The correct answer is A .
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Question 247:
If , what is the value of f(-2)?
Options:
A) -24
B) 30
C) -18
D) -50
Show Answer
The correct answer is C .
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Question 248: Simplify
Options:
A) 4
B) 41/6
C) 45/6
D) 51/6
Show Answer
The correct answer is C .
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Question 249: A man is standing in the corridor of a 10-storey building and looking down at a tall tree in front of the building. He sees the top of the tree at angle of depression of 30o. If the tree is 200m tall and the man's eyes are 300m above the ground, calculate the angle of depression of the foot tree as seen by the man
Options:
A) 30o
B) 60o
C) 45o
D) 25o
Show Answer
The correct answer is B .
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Question 250:
If M varies directly as N and inversely as the root of P. Given that M = 3, N = 5 and P = 25. Find the value of P when M = 2 and N = 6.
Options:
A) 36
B) 63
C) 47
D) 81
Show Answer
The correct answer is D .