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**Q.1. The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the managers whose salary was Rs. 720, was replaced with a new manager, the average salary of the team went down to Rs. 580. What is the salary of the new manager?****(a)** Rs. 570**(b)** Rs. 420**(c)** Rs. 690**(d)** Rs. 640**(e)** Rs. 610

Correct Answer is Option (b).Salary of the new manager is 420.

**Q.2.**** ****The average wage of a worker during a fortnight comprising 15 consecutive working days was Rs. 90 per day. During the first 7 days, his average wage was Rs. 87/day and the average wage during the last 7 days was Rs. 92/day. What was his wage on the 8th day?****(a)** Rs. 83**(b)** Rs. 92**(c)** Rs. 90**(d)** Rs. 97**(e)** Rs. 96

Correct Answer is Option (d).His wage on the 8th day was 97.

**Q.3. ****The average of 5 quantities is 6. The average of 3 of those 5 quantities is 8. What is the average of the remaining two quantities?****(a)** 6.5**(b)** 4**(c)** 3**(d)** 3.5**(e)** 4.2

Correct Answer is Option (c).3 is the average of the remaining two quantities.

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(i) The average score in class X is 83.

(ii) The average score in class Y is 76.

(iii) The average score in class Z is 85.

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(v) The average score of all students in classes Y and Z together is 81.

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(ii) The average score in class Y is 76.

(iii) The average score in class Z is 85.

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(v) The average score of all students in classes Y and Z together is 81.

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