Question
A teacher collects and reads the work in class VII, then
plans and adjusts the next lesson to meet the student's needs. He is doing:Solution
The correct answer is C
Average weight of 14 nurses is 42 kg. If the weight of one more nurse is included, then average weight is increased by 1 kg. Find the weight of the newl...
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the ...
The average price of two mobile phones, namely 'P' and 'Q' is Rs. 15,600 whereas the average price of phones 'Q' and 'R' is Rs. 1...
If the average of s number is r⁴ and the average r number is s⁴, then find the average of all r+ s numbers
The average age of a category of 5 members is 40 years. If a person whose age is 60 years will left the group and two new persons whose age is 'a' years...
The average of 27 numbers is 20.The average of first 13 numbers is 15 and that of the last 13 numbers is 18. What will be the 27th number?
The average height of each person in group 'G' having 28 people is 12 cm less than the average height of each person in group 'H' having 24 people. If t...
The average of a series of 30 numbers is 70. The difference between the largest number and the smallest number is 140. If the largest and the smallest n...
Shivam bought 22 notebooks for Rs.1290 from shop A and 13 notebooks for Rs.1335 from shop B. What is the average price he paid per book?
The average age of 22 girls is 40 years. If the age of two more girls is added the average decreases by 2.5 years. What is the sum of the age of new girls?
