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The average age of M boys is ‘b’ years and of ‘n’ girls ‘c’ years. The average age of all together is_________?
A. (mb – nc)/ (m + n) years
B. (mb + nc)/ (m – n) years
C. (mb + nc)/ (m + n) years
D. (mb – nc)/ (m – n) years
Arithmetic Mcqs · Easy · 3 weeks ago
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
Arithmetic Mcqs · Easy · 3 weeks ago
The average salary of workers in an industry is Rs.200 the average salary of technicians being Rs.400 and that of non-technicians being Rs.125. What is the total number of workers?
A. 250
B. 275
C. 550
D. 400
Arithmetic Mcqs · Easy · 3 weeks ago
The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
A. 36 years
B. 24 years
C. 30 years
D. 18 years
Arithmetic Mcqs · Easy · 3 weeks ago
The average of first five prime numbers greater than 20 is____________?
A. 31.00
B. 31.01
C. 32.00
D. 32.2
Arithmetic Mcqs · Easy · 3 weeks ago
The average of 9 observations was 9, that of the 1st of 5 being 10 and that of the last 5 being 8. What was the 5th observation?
A. 9
B. 8
C. 7
D. 6
Arithmetic Mcqs · Easy · 3 weeks ago
The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers?
A. 8
B. 6
C. 5
D. 2
Arithmetic Mcqs · Easy · 3 weeks ago
The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?
A. 15
B. 9
C. 18
D. 21
Arithmetic Mcqs · Easy · 3 weeks ago
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