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The correct answer is D
The average of 10 numbers is 18. When two new numbers 'a' and 'b' are added, the average increases by 2. If a - b = 30, find the value of b.
A student's average score across five subjects is 80. If the scores in four subjects are 78, 85, 82, and 88, what is the average of the top three highes...
The average wage of a group of 44 labourers is Rs. 250. If 4 persons receiving average wage of Rs. 275 leave the group and 2 persons receiving average w...
Find the average of the following set scores. 450, 1050, 12, 390, 143, 286, 550, 999
The average weight of 15 boys in a group is 48 kg. If the collective weight of 12 girls in another group is 25% lower than that of the boys, what is the...
The average of five even numbers is 62. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
The average expenditure of a man for the first 8 month is Rs.4000 and for the next 4 months is Rs.6000. If he saves 10000 in that year then find his ave...
In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced ...
The average weight of 12 players in a team is increased by 1/3 kg, when one of the players whose weight is 55 kg is replaced by another player. What is ...
The average run rate of a cricket team during the first 20 over’s is 4.5. What should be the asking rate per over for the next 30 over’s. if it has...
