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The correct answer is C
In a classroom, the average score of 15 students on a test is 44 points. If 5 new students, each with an average score of 'x' points, join the class, an...
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’....
The average weight of 7 men decreases by 3 kg when one of them weighing 150 kg is replaced by another person. Find the weight of the new person
In a Math exam, the average score of 50 students is 68. The ratio of boys to girls in the class is 3:2. If the average score of the boys is 70, what is ...
60% of 3840 +? + 30% of 4380 = 40% of 8340 + 10% of 3480
Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
A chef prepared 6 different dishes, and the average rating for those dishes was 18 out of 100. For the next 4 dishes, the chef improved significantly, a...
Average weight of a team of 8 persons is 50 kg. When one more person joins the team, the average weight of the team increases by 7 kg. Find the weight o...
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...
An intern was paid a stipend of Rs. 1,792 for a period of 30 days calculated on daily basis. During this period, he was absent for 4 days and was fined ...
