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27 x 22 = 594; 5 + 9 + 4 = 18 29 x 24 = 696; 6 + 9 + 6 = 21 12 x 25 = 300; 3 + 0 + 0 = 3
The average of five consecutive odd numbers is 53. What is the average of the first three numbers among them?
Determine the average of all prime numbers that lie between 35 and 70.
Average weight of 11 nurses is 36 kg. If the weight of one more nurse is included, then average weight is increased by 2 kg. Find the weight of the newl...
The average weight of a group of 15 students increases by 1.5 kg when the weight of the teacher is also included. If earlier the average weight of the g...
The average monthly fee of all 45 students in a class is Rs. 9,500. After an increment, the new monthly average fee of each student becomes Rs. (9500 + ...
The average age of a group of 20 students is 40 years. Two persons of age 44 years and 33 years, left the group and 2 persons of age 45 years and...
There are two sections A and B of a class, consisting of 38 and 42 students, respectively. If the average weight of the students of section A is 55 kg a...
Average of A, B and C is 30 and that of C, D and E is 19. The average of A and E is 23 and that of B and E is 24. Find the value ...
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?