Search questions

Find the average of 17, 27, 37, 47, and 57.

A person travels from Point A to Point B at a speed of $20\mathrm{km}/h$ and returns from Point B to Point A at a speed of $30\mathrm{km}/h$. Find the average speed for the whole journey.

A factory manufactures 140, 160, 135, and 145 toys on four consecutive days. How many toys must be manufactured on the 5th day to ensure the average production over the five days is 150?

A man travels 80 km at $20\mathrm{km}/h$ and returns the same distance at 16 $\mathrm{km}/h$. What is his average speed for the whole journey?

A student scored 40, 55, 60, and 45 marks in four tests. What marks must he score in the 5th test so that his average becomes 52 marks?

A man goes to Ahmedabad from Kolkata at a speed of $9\mathrm{km}/\mathrm{hr}$ and returns to Kolkata at speed of $18\mathrm{km}/\mathrm{hr}$, through same route. What is his average speed (in $\mathrm{km}/\mathrm{hr}$ ) of the entire journey?

A man goes to Chennai from Hyderabad at a speed of 56 km/hr and returns to Hyderabad at a speed of 72 km/hr, through the same route. What is his average speed (in km/hr) of the entire journey?

In an experiment, the refractive index of water was found to be 1.35, $1.29,1.32$ and 1.36 . What is the average refractive index of water ?

The average of 19 consecutive natural numbers is 41 . What is the smallest number among these numbers?

Five persons in a group have salaries of ₹15,000, ₹25,000, ₹30,000, ₹12,000 and ₹18,000, respectively. What is the average salary (in ₹) per person of the group?

What is the value of Middle if Left = 8, Right = 14 and Middle is the average of both?

What is the average of all numbers between 1000 and 1500 that are divisible by 20?

Three numbers are in the ratio 6 : 9 : 5. If their average is 300, what is the difference between the largest and the smallest number?

A group of 5 students went on a trip and spent ₹1,000 in total. If one of them spent ₹400 while the rest spent equally, what was the average spending of the other 4 students?

A car travels the first 200 km at 50 km/h and the next 200 km at 25 km/h. What is the average speed for the total journey?

A car travels at $80\mathrm{km}/\mathrm{hr}$ for the first 3 hours and $70\mathrm{km}/\mathrm{hr}$ for the next 4 hours. What is the average speed of the car for the entire journey?

If the average of $11,14,x$, and 23 is 18 , find the value of x.

The average of 10 consecutive even numbers starting from 14 is: