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.
-
Question 1381: If a2 + b2 = 16 and 2ab = 7.Find all the possible values of (a - b)
Options:
A) 3, -3
B) 2, -2
C) 1, -1
D) 3, -1
Show Answer
The correct answer is A .
-
Question 1382: Find the coordinates of the mid-point of x and y intercepts of the line 2y = 4x - 8
Options:
A) (2, 0)
B) (1, -2)
C) (-1, -2)
D) (1, 2)
Show Answer
The correct answer is B .
-
Question 1383:
Divide the L.C.M of 48, 64 and 80 by their H.C.F.
Options:
A) 20
B) 30
C) 48
D) 60
Show Answer
The correct answer is D .
-
Question 1384:
A factory worker earns ₦50,000 per month out of which he spends 15% on his children's education, ₦13,600 on Food, 3% on electricity and uses the rest for his personal purpose. How much does he have left?
Options:
A) N21,850
B) N18,780
C) N27,400
D) N32,500
Show Answer
The correct answer is C .
-
Question 1385:
P, R and S lie on a circle center as shown above while Q lies outside the circle. Find ∠PSO
Options:
A) 45
B) 55
C) 35
D) 40
Show Answer
The correct answer is C .
-
Question 1386: The sum of the interior angles of a pentagon is 6x + 6y. Find y in the terms of x
Options:
A) y = 90 - x
B) y = 150 - x
C) y = 60 - x
D) y = 120 -x
Show Answer
The correct answer is A .
-
Question 1387:
Tanθ is positive and Sinθ is negative. In which quadrant does θ lies
Options:
A) Second only
B) Third only
C) Fourth only
D) First and third only
Show Answer
The correct answer is B .
-
Question 1388: Given that 1/2 log10 P = 1, find the value Of P
Options:
A) 104
B) 103
C) 102
D) 101
E) 10-1
Show Answer
The correct answer is C .
-
Question 1389:
In the figure, a solid consists of a hemisphere surmounted by a right circular cone, with radius 3.0cm and height 6.0cm. Find the volume of the solid
Options:
A) 36cm 3
B) 54cm 2
C) 18cm 2
D) 108cm 2
Show Answer
The correct answer is A .
-
Question 1390: A man invested a sum of ₦280.00 partly at 5% and partly at 4%, if the total interest is ₦12.80 per annum, find the amount invested at 5%.
Options:
A) ₦14.00
B) ₦120.00
C) ₦140.00
D) ₦160.00
Show Answer
The correct answer is D .