Mathematics Mcqs

 The average of 6 numbers is 30. If the average of the first four is 25 and that of the last three is 35, the fifth number is:  

A. (A) 25
B. (B) 30
C. (C) 35
D. (D) None of these
Correct answer is: B. (B) 30
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 Three candidates in an election received 1136, 7636, and 11628 votes respectively. What percentage of total votes did the winning candidate get?  

A. (A) 57%
B. (B) 60%
C. (C) 76.4%
D. (D) None of these
Correct answer is: A. (A) 57%
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The civil war (1992-2002) is also known as the black decade.  

   A) Tajikistan 

   (B) Algerian  

   (C) Sudanese  

   (D) None of these 

The correct answer is  (B) Algerian  

The Algerian civil war (1992-2002) is also known as the Black Decade.

It was a period of intense violence.

It was conflict between the government and Islamist insurgents (11 January 1992 to 8 February 2002)

If the coordinates of a point are (-5, 0), then it lies in:

A. - a. I-Quadrant
B. - b. II-Quadrant
C. - c. III-Quadrant
D. - d. X-axis
Correct answer is: D. - d. X-axis
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What is the average of the numbers: 0, 0, 4, 10, 5 and 5?

A. a. 5
B. b. 2
C. c. 4
D. d. 3
Correct answer is: C. c. 4
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The sides of a triangle are in the ratio 3:4:5. If the perimeter is 24 cm, what is the length of the longest side?

A. 6 cm
B. 8 cm
C. 10 cm
D. 12 cm
Correct answer is: C. 10 cm
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Simplify ( 2^3 * 3^2 ):

A. 12
B. 18
C. 24              
D. 72
Correct answer is: D. 72
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The average of the first five prime numbers is:

A. a. 5.4
B. b. 5.5
C. c. 5.6
D. d. 5.7
Correct answer is: C. c. 5.6
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The sum of the deviations of the variable Y from its mean is always equal to:

A. a. Negative
B. b. Same
C. c. One
D. d. Zero
Correct answer is: D. d. Zero
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