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Indonesia's Ibu volcano erupts, ash up to 1,200m The Ibu volcano on Halmahera Island in the eastern Indonesian province of North Maluku erupted.
Average of 20 numbers is 90. Average of first 8 numbers is 92 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numbe...
In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced t...
The average salary of a group of 12 employees is Rs. 60,000. When one employee departs, the average salary of the remaining 11 employees drops by Rs. 2,...
The average of 35 numbers is 50. If 5 is added to each number, then the new average will be:
In nine innings of cricket, the average of a batsman is 59 runs. How many runs does he need to make it in the tenth inning to get the average score of 62?
The average of two numbers is 2 more than the smaller number among them. If the greater number is 20% more than the smaller number, then find the sum of...
The average weight of five friends A, B, C, D and E is (x+8) years while the average weight of C and E is (x-8) kg. If the weight of another person F is...
There are 15 numbers such that average of first 12 numbers is 65 while the average of last five numbers is 76. Find the 12th number, if the ratio betwee...
The average age of three children is 16 years. If their ages are in the ratio 1:3:4. Find the age of the youngest child.
If average of first 10 numbers is (n – 23) and the sum of remaining number is 925. Find the value of ‘n’, if the average of 20 numbers is ‘n’....
