Nitrogen dioxide (NO2) is a primary pollutant that is directly emitted into the atmosphere and is formed by the oxidation of nitric oxide (NO).
The average age of a group of five friends is 78 years. If a friend, aged 48 years, is replaced by another friend, then the avera...
The average of 8 numbers is 5.95. The average of two of them is 5.4, while the average of the other two is 5.86. the average of the remaining four numbe...
The average age of 10 men is increased by 2 years when two of them whose age are 24 and 26 years replaced by two new men. The average age of the two ne...
There are three categories of jobs HR, CA and PA. The average salary of the student who got the job of HR and CA category is 20 lakhs per annum. The ave...
The average age of a class of 24 girls is 16 years. If 6 new girls having average age of 12 years join the class, then the average age of the class beco...
The average of five even numbers is 36. If we replace two of these even numbers, 82 and 88, with a single even number X, the new average decreases by 4....
A is 75% more than B. C is 60 less than A. Average of A, B and C is 340. The ratio of B and C is 2:x. Find the value of x.
In a cricket match the captain of one of a team scored 25 runs more than the average runs scored by the remaining 8 batsmen of that team who batted in t...
In an examination the average marks of Rohit is 55. If he got 15 more marks in science and 27 more marks in maths then his average would have been 62. F...
A student has two types of markers: Marker A priced at $3 each and Marker B priced at $5 each. If the student purchases a total of 12 markers, with an a...
