general
Maths Puzzle
If a team played 60 games had won 30% of its game. If the team want to raise its average to 50%,how many games a team must win in a row?
Read Solution (Total 3)
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- 24
If x games are to be won in a row to make average of 50% , then
(0.3*60+x)/(60+x) = 1/2
36+2x= 60+x
x= 24 - 12 years agoHelpfull: Yes(4) No(2)
- sorry BRIJ..it was a mistake giving NO to your solution
- 12 years agoHelpfull: Yes(2) No(0)
- the average can be calculated as
first he had won 30% game ,so for make 50% is multiplied with (60+x)
x used for more game
0.5(60+x)-0.3*60=24
- 12 years agoHelpfull: Yes(0) No(0)
general Other Question
If a person enters the quantity sold and the price into the computer. Both the numbers are two-digit numbers.Once, by mistake, both the numbers were entered with their digits interchanged. The total sales value remained the same,
i.e. Rs. 1148, but the inventory reduced by 54.
What is the actual price per piece and quantity sold?
If the share of five partners A,B,C,D and E in a business is expressed in a percentages as below:
a)All the shares are multiple of 5 and no two shares are equal
b)B's share is equal to sum of D & E's shares
c)D's share is equal to the difference of B's share and E's share
d)D's share is 5% less than A
e)B and D contribute to the half of the total shares.
Then what are the shares of A,B,C,D & E ?