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5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 50 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The average age of a class of 17 girls is 12 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes:
The average number of books on history, polity and geography in a library is 165, and the average number of books on history and geography is 140. If th...
In a cricket match the captain of one of a team scored 23 runs more than the average runs scored by the remaining 9 batsmen of that team who batted in t...
The average weight of a group of five persons, A, B, C, D, and E is 62 kg. If another person K joins the group then the average weight of the group is d...
The average weight of 8 boxes is 45 kg. If one more box weighing 63 kg is added, what will be the new average weight of the boxes?
The batting average of 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest by 172 runs. If the two are excluded, the average...
3 years ago, the average age of a family of 5 members was 17 years. A baby being born, the average age of the family is 17 years. The present age of the...
In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced ...
A group of 15 students appeared for three tests. The overall average score across all tests is 70. The average score in the first test was 75, and in th...