Search questions

A person travels a total distance of 300 km , partly by car at a speed of 60 $\mathrm{km}/h$ and the rest by bike at $40\mathrm{km}/h$. If 60% of the total distance is covered by car, find the average speed of the entire journey.

A motorist travels from City P to City Q, a distance of 240 km . For the first 80 km , he drives at $40\mathrm{km}/h$. For the next 80 km he drives at $80\mathrm{km}/h$. For the remaining distance, he drives at $\times \mathrm{km}/h$ (constant). His overall average speed for the whole trip is $48\mathrm{km}/h$. What is x ?

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

A bookstore bought 150 different novels at an average price of ₹160. It sold 50 novels at a $25\%$ profit, 70 novels at a $10\%$ loss, and the remaining novels in a combo deal that included a 20% profit on the total cost of the remaining novels. What was the selling price per novel in the combo deal?

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?

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 trader bought 5 varieties of rice whose weights are in the ratio 3 : 4 : 5 : 6 : 7. Their respective prices per kg are ₹42, ₹45, ₹47, ₹48 and ₹50. What is the average cost per kg of the mixture?

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 train covers 3 equal distances at speeds in the ratio 2 : 3 : 5. What is the ratio of the average speed over the entire journey to the lowest speed?

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?

'P', 'Q', 'R' and 'S' have different amounts. ' $Q$ ' has 3.5 times the amount ' $P$ ' has. ' S ' has $50\%$ less than ' Q '. The amount R is equal to the average of those three persons. If the sum of amounts 'P' and 'R' is Rs. 6000 , find the amount 'R' has.

A player's average score across several rounds is $7.18181818\dots$, where "18" repeats.What is this recurring decimal written as a simplified fraction?

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

The average age of a group of 5 people increases by 3 years when one person aged 20 years leaves and another person joins. What is the age of the new person?

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