Related Questions

In a group of people solicited by a charity, 30% contributed Tk. 2400 each, 45% contributed Tk. 1200 each, and the rest contributed Tk. 120 each. If the charity received a total of Tk. 18,000 form the people who contributed Tk. 120.00, how much was contributed by the entire group?
ক 72,000
খ 144,000
গ 756,000
ঘ 774,000
In a group of people solicited by a charity, 30% contributed Tk 40, 45% contributed Tk 20 and the rest contributed Tk 2. If the charity received a total of Tk 300 from the people who contributed Tk 2, how much was contributed by the entire group?
ক Tk 12600
খ Tk 25800
গ Tk 1200
ঘ Tk 12900
In a group of people solicited by a charity , 30% contributed TK. 40 each, 45% contributed TK. 20 each and the rest contributed TK. 12 each . What percentage of the total contributed came from people who gave TK. 40 ?
ক 25%
খ 30%
গ 40%
ঘ 45%
In a group of people solicited by a charity, 30% contributed TK. 40 each, 45% contributed TK. 20 each and the rest contributed TK. 12 each. What percentage of the total amount came from people who gave TK. 40 each ?
ক 25%
খ 30%
গ 40%
ঘ 45%
Each boy contributed money equal to the number of girls and each girl contributed money equal to the number of boys in a class of 60 students. If the total contribution thus collected is Tk. 1,600, how many boys are there in the class?
ক 30
খ 25
গ 50
ঘ 20.5
The average marks obtained by a group of 16 students was 20. One student left the group as a result of which the average of the remaining students rose to 21. But another student joined, as a result of which the average marks of the group dropped a bit and became 20.5. What was the average marks obtained by the student who left and the one who joined?
ক 10
খ 11
গ 8
ঘ 9
The average of eight numbers in 14. The average of six of these numbers 16. The average of the remaining two numbers is 16. The average of the remaining two numbers is-
ক 4
খ 8
গ 16
ঘ Data inadequate
The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the group. What is the average age of the two new students who joined the group?
ক 22 years
খ 30 years
গ 40 years
ঘ 32 years
A college has raised 75% of the amount it needs for a new building by receiving an average donation of $60 from the people already solicited. The people already solicited represent 60% of the people the college will ask for donation. If the college is to raise exactly the amount needed for the new building, how much must the remaining people donate per person?
ক $ 25
খ $ 30
গ $ 40
ঘ $ 50
A school has raised 75% of the amount it needs for a new building by receiving an average donation of Tk 60 from the people already solicited. The people already solicited represent 60% of the people the college will ask for donations If the college is to raise exactly the amount needed for the new building , how much must the remaining people donate per person? .
ক Tk 25
খ Tk 30
গ Tk 40
ঘ Tk 50

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