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Average Mcqs Questions And Answers.

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Exercise :: Average Mcqs
1.The temperature at noon in LHR ,Pakistan was 6 deg on Monday ,4deg on Tuesday,2deg below zero on Wednesday,3deg below zero on Thursday, 0 deg on Friday ,3 deg on Saturday ,and 6 deg on Sunday. What was the average temperature at noon for the week ?
A. 14 deg
B. -2 deg
C. 2 deg
D. 7 deg
2.The average of two numbers is XY.If one number is equal to X ,the other number is equal to___?
A. X
B. 2Y
C. XY-X
D. 2 XY -2 X
3.If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is___?
A. 53.33
B. 54.68
C. 55
D. None of these
4.The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.
A. 47.55 kg
B. 48 kg
C. 48.55 kg
D. 49.25 kg
5.The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___?
A. 17 kg
B. 20 kg
C. 26 kg
D. 31 kg