The ratio fo Boys to Girls is 6:4. 60% of the boys and 40%
of girls take lunch in the canteen. What % of class takes
lunch in canteen.
- 3 Answers
- 6898 Views
- Cadence, I also Faced
- E-Mail Answers
Answer Posted / guest
(60/100)*60 + (40/100)*40
=52%
| Is This Answer Correct ? | 18 Yes | 0 No |
Post New Answer View All Answers
9 cards are there. you have to arrange them in a 3*3 matrix. cards are of 4 colours.they are red,yellow,blue,green. conditions for arrangement: one red card must be in first row or second row.2 green cards should be in 3rd column.Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.
Ram gets 148 marks for 20 questions. +10 for correct. -3 for wrong. How many correct answers?
instead of multiplying by 7 to a number dividing by 7 what is the percentage of error
Two pipes A and B when working alone can fill a tank in 36 minutes and 45 minutes respectively. A waste pipe C can empty the tank in 30 minutes.First A and B are opened After 7 minutes. C is also opened . In How much time will the tank be full ?
g[0]=1,g[1]=-1,g[n]=2*g[n-1]-3*g[n-2] then calculate g[4]= ?
In a car wheel, two spokes cover 15 degree. Then for the entire car,how many spokes are there?
Jack and Jill went up and down a hill. They started from the bottom and Jack met Jill again 20 miles from the top while returning. Jack completed the race 1 min a head of Jill. If the hill is 440 miles high and their speed while down journey is 1.5 times the up journey. How long it took for the Jack to complete the race ?
How many mashes are there in 1 square meter of wire gauge if each mesh is 8mm long and 5mm wide ?
hi.... i need tamil nadu SI police modal question paper can an one help me my mailing id is kettaven46@gmail.com
A triangle ABC is given, a line DE is parallel to base side and that cuts the triangle. The ratio of area of triangle to the area of trapezium given DE/BC= ?
A persons age is similar to the year he was born(last two digits is counted as age).
After spending 2/3 of his salary on rent and food items and 1/4th of the remaining on transportation, Rajesh has 6000 with him. How much did he pay on transportation?
A farmer built a fence around his 17 cows, in a square shaped region. He used 27 fence poles on each side of the square. How many poles did he need altogether?
Light glows for every 13 seconds . How many times did it between 1:57:58 and 3:20:47 am
if 8x+4y=6 and 4x+5y=7, x+y equlals
