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.
Answer Posted / harshgandhi126
Suppose there are total 10 students in the class.
So (6*.6)boys and (4*.4) take the lunch
so total students = (6*.6)+(4+.4)=5.2
So it is 52%
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
One of the longest sides of the triangle is 20 m. The other side is 10 m. Area of the triangle is 80 m2. What is the another side of the triangle?
Time constant for an integrator and differentiator should be
distance D=rt where r & t are +ve and r is constant,as t increases then D_________
A bus started from bus stand at 8.00a m and after 30 min staying at destination, it returned back to the bus stand. The destination is 27 miles from the bus stand. The speed of the bus 50 percent fast speed. At what time it retur4ns to the bus stand
8 to the power of x is 32,what is the value of x?
A beats B by 10 meters and B beats C by 15 metres the A beats C by
15 men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would it take for 21 women if 3 women do as much work as 2 men?
How many people are there in the queue if I am 7th in the queue from either end?
A sales person multiplied by a number and get the answer 3. Instead of that number divided by 3. What is the answer she actually has to get. (1/3) * 1 *3 =3 so the no= 1 divided by three.
With a 4/5 full tank a vehicle can travel 12 miles, how far can it travel with a 1/3 full tank
analogy: cell: tissue::atom:?
The number 0.05 is what percent of 20?
There are 6 people W,H,M,C,G,F who are murderer, victim, judge, police, witness, hangman. There was no eyewitness only circumstantial witness. The murderer was sentenced to death. Read following statement and determine who is who.
If POINT + ZERO = ENERGY, then E + N + E + R + G + Y = ?
Find the correct meaning of the following phrase: To bite the dust