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Total student =70 Ratio of the girls and boys=3:2 Girls =3/5) ×70=42 Boys =28. Average marks in physics 28 boys =72 Total marks in physics of 28 boys =72×28=2016 average marks scored by the whole class in Physics = 80 Total marks scored by whole class =80×70=5600 Total marks scored by girls =5600-2016=3584 Average marks in physics of 42 girls=3584/42=85.3
The ratio of the number of people in A and B Companies is 4:5. 70% and 72% of people in A and B Companies passed the interview, r...
In a village 40% of votes were cast in an election. A and B were the contestants. A won by 600 votes. If B had got 60% more votes, there would have been...
Anuj allocates 45% of his income towards rent, and then spends 60% of the remaining amount on his studies. After these expenses, he saves Rs. 1650. Wha...
Monthly income of P is Rs.14000 and his monthly savings is Rs.7500. If his monthly income is decreased by 30% and monthly expenditure is decreased by 25...
A Company allow 8% commission on the total sales to its salesman but if the salesman is appointed on a fix salary of Rs. 10000 and 6% commission on the...
In an examination, there are 200 questions, in the first section, out of 120 questions, a student got 65% marks, then how much percent he has to score i...
In a test, P got 20% of total marks and failed by 50 marks while Q got 40% of total marks which is 25 more than passing marks. Find the total marks of t...
In a train, 45% of the passengers are females. Out of total number of passengers, 65% have unreserved tickets out of which 18% are females. How much per...
The income of a person is Rs.12000 and his expenditure is Rs.8000. In the next year his income and expenditure is increased by 10% and 20% respectively....
Two numbers are less than a third number by 20% and 24% respectively. Find the percent by which the second number is less than the first.
