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?

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The average of first 10 odd numbers is_____________?

A. 11 B. 10 C. 12 D. 17...

Visitors to show were charged Rs.15 each on the first day. Rs.7.50 on the second day, Rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. The average charge per person for the whole show is___________?

A. Rs.3 B. Rs.4.50 C. Rs.5.00 D. Rs.7.50...

The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the average of the two numbers?

A. 180 B. 170 C. 190 D. 175...

The average mark of the students of a class in a particular exam is 80. If 5 students whose average mark in that exam is 40 are excluded, the average mark of the remaining will be 90. Find the number of students who wrote the exam.

A. 20 B. 15 C. 25 D. 35...

The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is____________?

A. 11 years B. 14 years C. 15 years D. 15 2/7 years...