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 1461:
A sector of a circle of radius 7.2cm which subtends an angle of 300° at the centre is used to form a cone. What is the radius of the base of the cone?
Options:
A) 8cm
B) 6cm
C) 9cm
D) 7cm
Show Answer
The correct answer is B .
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Question 1462: Calculate the distance between points L(-1, -6) and M(-3, -5)
Options:
A) √5
B) 2√3
C) √20
D) √50
Show Answer
The correct answer is A .
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Question 1463: The distance travelled by a particle from a fixed point is given as s = (t3 - t2 - t + 5)cm. Find the minimum distance that the particle can cover from the fixed point.
Options:
A) 2.3 cm
B) 4.0cm
C) 5.2
D) g
Show Answer
The correct answer is B .
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Question 1464:
Divide the expression x3 + 7x2 - x - 7 by -1 + x2
Options:
A) -x3 + 7x2 - x - 7
B) -x3 = 7x + 7
C) x - 7
D) x + 7
Show Answer
The correct answer is D .
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Question 1465: The length L of a simple pendulum varies directly as the square of its period T. If a pendulum with period 4 sec. is 64 cm long, find the length of pendulum whose period is 9 sec
Options:
A) 96 cm
B) 324 cm
C) 36 cm
D) 144 cm
Show Answer
The correct answer is B .
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Question 1466: In preparing rice cutlets, a cook used 75g of rice, 40g of margarine, 105g of meat and 20g of bread crumbs. Find the angle of the sector which represents meat in pie chart
Options:
A) 30o
B) 60o
C) 112.5o
D) 157.5o
Show Answer
The correct answer is D .
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Question 1467: If the angles of quadrilateral are (P + 10)o(2P - 30)o(3P + 20)o and 4po, find p
Options:
A) 63
B) 40
C) 36
D) 28
Show Answer
The correct answer is C .
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Question 1468: If α and β are the roots of the equation 3x2 + bx − 2 = 0. Find the value of +
Options:
A)
B)
C)
D)
Show Answer
The correct answer is D .
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Question 1469:
If √(2x + 2) − √x = 1, find x.
Options:
A) x = 1 twice
B) x = 0 or 1
C) x = 3 or 1
D) x = 2 twice
Show Answer
The correct answer is A .
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Question 1470: The set of value of x and y which satisfies the equations x2 - y - 1 = 0 and y - 2x + 2 = 0 is
Options:
A) 1, 0
B) 1, 1
C) 2, 2
D) 0, 2
E) 1, 2
Show Answer
The correct answer is A .