Search questions

In a college, there are 800 faculty members, out of which $60\%$ are females. The average height of males is 150cm, and the average height of females is 170 cm . What is the average height of the entire faculty ?

The average age of group $A$ consisting of 25 students is 18 years. The average age of group B consisting of 50 students is ' x ' years. The combined average age of both groups together is 22 years. What is the value of ' $x$ '?

A group of 8 students appeared for a chemistry test. The average of the top 4 scores was 88.5 , and the average of the bottom 4 scores was 74. Later, it was found that a decimal error had occurred, and one of the scores from the bottom half was recorded as 71.2 instead of 91.2. What is the corrected overall average of the group?

The average weight of Ashish, Kiran and Mahesh is 46 kg. If the average weight of Ashish and Kiran be 40 kg and that of Kiran and Mahesh be 43 kg, then the weight of Kiran (in kg) is:

The average age of 96 workers in a factory is 32 years. The average age of the men is 41 years and that of the women is 25 years. Find the number of women in the factory.

The average weight of Kiran, Mahesh and Ram is 46 kg . If the average weight of Kiran and Mahesh be 40 kg and that of Mahesh and Ram be 47 kg, then the weight of Mahesh (in kg) is:

The average weight of Atul, Baban and Rakesh is 46 kg . If the average weight of Atul and Baban be 39 kg and that of Baban and Rakesh be 50 kg , then the weight of Baban (in kg) is:

The average marks of the first 12 students in a class was 33 , and the average marks of the next 8 students of the class was 45 . What are the average marks of the class? (correct to one decimal place)

The average weight of Mohan, Mohammad and Ashish is 45 kg. If the average weight of Mohan and Mohammad be 43 kg and that of Mohammad and Ashish be 46 kg , then the weight of Mohammad (in kg ) is:

The average weight of Tushar, Salil and Mukund is 46 kg . If the average weight of Tushar and Salil be 40 kg and that of Salil and Mukund be 46 kg , then the weight of Salil (in kg) is:

In a class, the average score of boys is 75 with 20 boys and the average score of girls is 85 with 30 girls. What is the overall average score of the class?

The average weight of Mohammad, Ashish and Kiran is 46 kg. If the average weight of Mohammad and Ashish be 40 kg and that of Ashish and Kiran be 42 kg , then the weight of Ashish (in kg) is:

A bullet train covers a fixed distance in 30 minutes at an average speed of 360 km/h. Due to track maintenance, it needs to be diverted, increasing the distance by 25%. If the train needs to arrive at its destination on time (i.e., in 30 minutes), what should its new average speed be in km/h?

The average of a certain number of quantities is 48. If 6 is added to each quantity, what will be the new average?

Three numbers are such that when the average of any two of them is added to the third, the results obtained are 210, 192, and 174, respectively. What is the average of the three numbers?

A cyclist travels from City A to City B at an average speed of 40 km/h and takes 8 hours. If they want to complete the same journey in 5 hours, by what amount (in km/h) must the average speed be increased?

The average weight of 13 people is 65 kg. If one person leaves and the new average becomes 65.5 kg, what is the weight of the person who left?

The average of 8 numbers is 56. When one number is removed, the average becomes 54. What number was removed?