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 321: A predator moves in a circle of radius √2 centre (0,0), while a prey moves along the line y = x. If 0 x 2, at which point(s) will they meet?
Options:
A) (1,1) only
B) (1,1) and (1,2)
C) (0,0) and (1,1)
D) (√2,√2) only
Show Answer
The correct answer is A .
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Question 322: Solve 52(x - 1) x 5x + 1 = 0.04
Options:
A)
B)
C) -
D) -
Show Answer
The correct answer is D .
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Question 323: A man wishes to keep his money in a savings deposit at 25% compound interest so that after three years he can buy a car for ₦150,000. How much does he need to deposit?
Options:
A) ₦112,000.50
B) ₦96,000.00
C) ₦85,714.28
D) ₦76,800.00
Show Answer
The correct answer is D .
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Question 324: if a = -3, b = 2, c = 4, evaluate
Options:
A) 37
B)
C)
D) -37
Show Answer
The correct answer is A .
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Question 325:
Four boys and ten girls can cut a field first in 5 hours. If the boys work at the rate at which the girls work, how many boys will be needed to cut the field in 3 hours?
Options:
A) 180
B) 60
C) 25
D) 20
Show Answer
The correct answer is D .
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Question 326: A woman bought a grinder for ₦60,000. She sold it at a loss of 15%. How much did she sell it?
Options:
A) ₦53,000
B) ₦52,000
C) ₦51,000
D) ₦50,000
Show Answer
The correct answer is C .
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Question 327: If | 2 3 | = | 4 1 |. find the value of y. 7
Options:
A) -6
B) 6
C) -12
D) 12
Show Answer
The correct answer is A .
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Question 328: A pipe made of metal 10cm thick has an external radius of 11cm. find the area of metal in making 2.4cm of pipe
Options:
A) 21πcm2
B) 21πcm2
C) 15πcm2
D) 17πcm2
Show Answer
The correct answer is B .
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Question 329: Evaluate sin xdx
Options:
A) 2
B) -1
C) 1
D) -2
Show Answer
The correct answer is C .
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Question 330: What is the locus of a point P which moves on one side of a straight line XY, so that the angle XPY is always equal to 90o?
Options:
A) the perpendicular bisector of XY
B) a right-angled triangle
C) a circle
D) a semi circle
Show Answer
The correct answer is D .