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The overall average salary for all employees in an office is ₹32,000. Officers earn an average salary of ₹56,000, while non-officers make an average of ₹20,000. If there are 17 officers, determine the number of non-officers.

The average age of 21 students is 17 years. A teacher joins the group, and the average becomes 20 years. What is the teacher's age?

A train covered a certain distance in 3 parts with average speeds of 12 km/h, 15 km/h and 30 km/h. What is the average speed over the entire journey, assuming equal distances?

The average marks of 40 students in a class is 72. If the marks of one student were wrongly entered as 92 instead of 72, what is the CORRECT average?

The average of 6 different numbers is 120. If the smallest number is 18, what is the average of the remaining five numbers?

What is the average of all integers between 100 and 252 that are exactly divisible by 11?

Study the following table showing the daily wages (in ₹) of 5 workers over 4 days.

Day	A	B	C	D	E
Monday	200	180	220	160	190
Tuesday	210	175	230	170	195
Wednesday	190	185	215	180	200
Thursday	220	190	225	175	205

What is the average daily earning of Worker C?

A car covers 50% of a certain distance at a pace of 40 km/h and the remaining distance at a pace of 60 km/h. What is the average speed of the car for the entire journey?

Deepak covers half of his journey at 27 km/h and the remaining half at 9 km/h. His average speed is:

A group of 7 students went on a trip and spent ₹2,500 in total. If one of them spent ₹700 while the rest spent equally, what was the average spending of the other 6 students?

Three numbers are in the ratio 4 : 5 : 7. If their average is 480, what is the difference between the largest and the smallest number?

Table — Units Sold of 3 Products

Product	Jan	Feb	Mar
A	80	105	103
B	80	70	90
C	155	145	120

Which product had the lowest average units sold?

What are the average weekly sales of Q?

Salesperson	Mon	Tue	Wed	Thurs
P	40	60	50	55
Q	75	64	62	68

What is the average of 5 consecutive odd numbers starting from 11?

What is the overall average daily diesel usage for both cars?

Vehicle	Mon	Tue	Wed	Thu	Fri
Car 1	19	22	24	16	21
Car 2	15	28	23	20	29

Identify the relation between Statement I and Statement II. Statement I. The production of Kharif crops in the region decreased significantly this year. Statement II. The region received far below-average rainfall during the monsoon season.

A person walks 10 km to a destination in 2 hours. On the return journey, they walk the same 10 km back in 1 hour. What is the average speed for the entire journey?