The average of 9 numbers is 27. One number 45 is replaced by 33. Find the new average.
The average number of toffees distributed among five boys is 8. If each boy received 1 toffee more than the boy before him, then find the highest number...
In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced ...
In an examination, the average marks obtained by the students is 85. After correcting the quantitative mistakes, the average of 100 students is reduced ...
- The average age of 15 students in a classroom is 20 years. When two new students, Raj and Simran, join the class, their ages being in the ratio of 7:8, the...
The average Cost Price of two items P and Q is Rs. 500. P and Q are sold at 15% and 25% profit respectively. If the total Selling Price of P and Q is Rs...
The average age of a group of 70 students is 14 years. If three students whose ages are 22years, 20years, ________ years is replaced with three new stud...
A set contains ten numbers. The average of the first six numbers is (x − 1), and the average of the last three numbers is (x + 3). The average of the ...
The average weight of a group of five persons, A, B, C, D, and E is 70 kg. If another person K joins the group then the average weight of the group is d...
"In a group of four investors in stocks, the highest earner makes Rs. 5 lakh per month, while the lowest earner makes Rs. 2.4 lakh per month. Now, we wa...
