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 661:
In the diagram above, EFGH is a circle center O. Fh is a diameter and GE is a chord which meets FH at right angle at the point N. If NH = 8cm and EG = 24cm, calculate FH.
Options:
A) 16 cm
B) 20 cm
C) 26 cm
D) 32 cm
Show Answer
The correct answer is D .
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Question 662: a senatorial candidate had planned to visit seven cities prior to a primary election. However, he could only visit four of the cities. How many different itineraries could be considered?
Options:
A) 840
B) 720
C) 640
D) 520
Show Answer
The correct answer is A .
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Question 663: Simplify 7 - 4 + 2
Options:
A) 4
B) 4
C) 4
D) 5
Show Answer
The correct answer is C .
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Question 664:
Given:
U = {Even numbers between 0 and 30}
P = {Multiples of 6 between 0 and 30}
Q = {Multiples of 4 between 0 and 30}
Find (P∪Q)c
Options:
A) {2, 10, 14, 22, 26}
B) {0, 10, 14, 22, 26}
C) {2,4, 14, 18, 26}
D) {0, 2, 6, 22, 26}
Show Answer
The correct answer is A .
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Question 665:
Determine the mean monthly salary of 50 employees of a company from the following frequency distribution.
Options:
A) ₦215.30
B) ₦134.10
C) ₦143.10
D) ₦80.00
E) ₦50.30
Show Answer
The correct answer is B .
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Question 666: If the 7th term of an AP is twice the third term and the sum of the first four terms is 42, find the common difference.
Options:
A) 6
B) 3
C) 2
D) 1
Show Answer
The correct answer is B .
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Question 667:
The figure FGHK is a rhombus. What is the value of angle X?
Options:
A) 30
B) 90
C) 150
D) 120
E) 60
Show Answer
The correct answer is D .
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Question 668: An operation * is defined on the set of real numbers by a * b = ab + 2(a + b + 1). find the identity elements
Options:
A) 2
B) 1
C) -1
D) -2
Show Answer
The correct answer is C .
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Question 669: If 6Pr = 6, find the value of 6Pr+1
Options:
A) 30
B) 33
C) 35
D) 15
Show Answer
The correct answer is A .
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Question 670:
Find the non-zero positive value of x which satisfies the equation
= 0
Options:
A) 2
B)
C)
D) 1
Show Answer
The correct answer is C .