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Mishti bought 20 kg apples for Rs 60 per kg, b kg apples for Rs 70 per kg and (b + 6) kg apples for Rs 50 per kg. She mixed all type of apples together ...
The average number of books sold by Viren in first 3 months is 3000 and in first 4 months is 3800. If the number of books sold by him in 5th ...
A bag contains 20 rupees note, 50 rupees note and 100 rupees note in the ratio 5:7:2. If the total amount in the bag is Rs 2,600, find the average numbe...
In an examination the average marks of Rohit is 60. If he got 15 more marks in science and 21 more marks in maths then his average would have been 66. F...
The average age of 13 girls is 40 years. If the age of one more girl is added the average decreases by half a year. What is the age of new girl?
Aman bought 22 notebooks for Rs.1280 from shop A and 14 notebooks for Rs.1420 from shop B. What is the average price he paid per book?
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...
In a gathering of 30 guests, the average age of each guest in the class is 21 years. Later, 4 more guests join the party, causing the average age of the...
"The average age of all employees in a company is 23.5 years. The average age of male employees is 25.2 years, while the average ...
Average weight of 5 students in a class increases by 4 kg when weight of teacher is also included. If sum of average weight of 5 students and weight of ...
