A. 20
B. 25
C. 30
D. 32
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Arithmetic Mcqs
The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?
A. 7 years
B. 11 years
C. 18 years
D. 27 years
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The average of the marks of 12 students in a class is 36. If the marks of each student are doubled, find the new average?
A. 72
B. 45
C. 37
D. 79
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The average of the two-digit numbers, which remain the same when the digits interchange their positions, is__________?
A. 33
B. 44
C. 55
D. 66
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Five years ago the average of the ages of A and B was 40 years and now the average of the ages of B and C is 48 years. What will be the age of the B ten years hence?
A. 55 years
B. 56 years
C. 58 years
D. Data inadequate
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The average of first 10 natural numbers is____________?
A. 5
B. 5.5
C. 6.5
D. 6
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A student scored an average of 80 marks in 3 subjects: Physics, Chemistry and Mathematics. If the average marks in Physics and Mathematics is 90 and that in Physics and Chemistry is 70, what are the marks in Physics?
A. 60
B. 64
C. 72
D. 80
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The total marks obtained by a student in Physics, Chemistry and Mathematics is 150 more than the marks obtained by him in Physics. What is the average mark obtained by him in Chemistry and Mathematics?
A. 75
B. 150
C. 50
D. None of these
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The average of first ten prime numbers which are odd is____________?
A team of eight entered for a shooting competition. The best marks man scored 85 points. If he had scored 92 points, the average scores for. The team would have been 84. How many points altogether did the team score?
A. 625
B. 665
C. 632
D. 656
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