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There were 35 students in a hostel. If number of students is increased by 7, n expenses of mess increased by Rs. 42 per day, while average expenditure per head diminishes by Rs. 1. The original expenditure of mess per day was-


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The mean monthly salary paid to 75 workers in a factory is Rs. 5680. The mean salary of 25 of them is Rs. 5400 and that of 30 others is Rs. 5700. The mean salary of the remaining workers is-

There were 35 students in a hostel. If number of students is increased by 7, n expenses of mess increased by Rs. 42 per day, while average expenditure per head diminishes by Rs. 1. The original expenditure of mess per day was-

The mean of 5 numbers is 18. If one number is excluded, their mean is 16. Find the excluded number.

There were 35 students in a hostel. If the number of the students is increased by 7

then the expenses of the mess increased by Rs. 42 per day

while the average expenditure per head diminishes by Rs. 1. The original expenditure of the mess per day was-

Averages Aptitude Questions

Arithmetic-Aptitude