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 871:
Find the probability that a number selected at random from 41 to 56 is a multipleof 9
Options:
A)
B)
C)
D)
Show Answer
The correct answer is A .
-
Question 872:
In how many ways can the letter of ZOOLOGY be arranged?
Options:
A) 720
B) 360
C) 840
D) 120
Show Answer
The correct answer is C .
-
Question 873:
Simplify ( x )
Options:
A)
B)
C)
D)
Show Answer
The correct answer is C .
-
Question 874: Solve the equation: y - 11y + 24 = 0
Options:
A) 8, 3
B) 64, 9
C) 6, 4
D) 9, -8
Show Answer
The correct answer is B .
-
Question 875: Three numbers, x, y and z are connected by the relationships y = + 1. If x = 99, find z
Options:
A) 6
B) 20
C) 21
D) 176
E) None of the above
Show Answer
The correct answer is C .
-
Question 876: The radius of a circle is increasing at the rate of 0.02cms-1. Find the rate at which the area is increasing when the radius of the circle is 7cm.
Options:
A) 0.75cm2S-1
B) 0.53cm2S-1
C) 0.35cm2S-1
D) 0.88cm2S-1
Show Answer
The correct answer is D .
-
Question 877: 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) 4.0 cm
C) 5.2 cm
D) 6.0 cm
Show Answer
The correct answer is C .
-
Question 878: Solve the inequalities for which .
Options:
A) x < 7
B) x > -7
C) x < -7
D) x > 7
Show Answer
The correct answer is B .
-
Question 879: In a survey, it was observed that 20 students read newspapers and 35 read novels. If 40 of the students read either newspapers or novels, what is the probability of the students who read both newspapers and novels?
Options:
A)
B)
C)
D)
Show Answer
The correct answer is C .
-
Question 880: An aeroplane flies due north from airport P to Q and then flies due east R. If Q is equidistant from P and R, find the bearing of P and R
Options:
A) 90
B) 135
C) 225
D) 270
Show Answer
The correct answer is C .