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 681: If tan = find sec
Options:
A)
B)
C)
D)
Show Answer
The correct answer is B .
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Question 682:
The distribution above shows the number of days a group of 260 students were absent from school in a particular term. How many students were absent for at least four days in the term
Options:
A) 180
B) 120
C) 110
D) 40
Show Answer
The correct answer is B .
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Question 683: If Q is a factor of 18 and T is prime numbers between 2 and 18. What is QT?
Options:
A) (2,3)
B) (2,3,18)
C) (2,3,9)
D) (2,3,6)
Show Answer
The correct answer is A .
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Question 684:
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 685:
The second term of a geometric series is and its sum to infinity is . Find its common ratio.
Options:
A)
B) 2
C)
D)
Show Answer
The correct answer is A .
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Question 686:
The nth term of the sequence 3, 9, 27, 81.... is
Options:
A) 3 x 3n-2
B) 3 x 3n-1
C) 3 x 3n+2
D) 3 x 3n+1
Show Answer
The correct answer is B .
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Question 687: Find the value of k if = k
Options:
A) 3
B) 2
C)
D)
Show Answer
The correct answer is D .
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Question 688: 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 689:
The third term of an A.P is 6 and the fifth term is 12. Find the sum of its first twelve terms
Options:
A) 201
B) 144
C) 198
D) 72
Show Answer
The correct answer is C .
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Question 690:
The shaded region above is represented by the equation
Options:
A) y ≤ 4x + 2
B) y ≥ 4x + 2
C) y ≤ -4x + 4
D) y ≤ 4x + 4
Show Answer
The correct answer is C .