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
The average of first ten prime numbers which are odd is ______?
A. 12.9
B. 13.8
C. 15.8
D. 17
The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is ___?
A. 11.0
B. 11.3
C. 11.4
D. 11.5
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
The average of women and child workers in a factory was 15%yr. The average age of all the 16 children was 8yr and average age of women workers was 22 yrs if ten women workers were married then the number of unmarried women workers were________?
A. 16
B. 12
C. 8
D. 6
Also Read: Basic Math MCQs
Basic Arithmetic MCQs are an important part of PPSC, FPSC, SPSC, KPPSC, UPSC, BPSC, NTS PTS, OTS, CSS, PMS and other jobs test.
