MEDIUM
CAT
IMPORTANT
Earn 100

The total number of pupils in three classes of a school is 700. The number of pupils in classes I and II are in the ratio 1:4 and those in classes II and III are in the ratio 3:5. Find the number of pupils in the class, having the highest number of pupils.

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Important Questions on Ratio, Proportion and Variation

MEDIUM
CAT
IMPORTANT
Sahil can row a certain course up the stream in 84 minutes, and can row the same course down stream in 9 minutes less than that he can row it in still water. How long would he take to row down with the stream?
MEDIUM
CAT
IMPORTANT
If (P+Q):(Q+R):(R+P)=3:9:8 and P+Q+R=20, then what is the value of R?
EASY
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IMPORTANT
x varies directly as (y2+z2). At y=2 and z=3, the value of x is 26. Find the value of x, when z=1 and y=5.
MEDIUM
CAT
IMPORTANT
The wages of labourers in a factory has increased in the ratio 22:25 and their number is decreased in the ratio 3:2. What was the original wage bill of the factory, if the present bill is 5000?
MEDIUM
CAT
IMPORTANT
The monthly salaries of two persons are in the ratio of 1:7. If each receives an increase of 2500 in the salary, the ratio is altered to 4:13. Find their respective salaries.
EASY
CAT
IMPORTANT
The ratio of boys to girls in a class is 5:3. The class has 16 more boys than girls. How many girls are there in the class?
MEDIUM
CAT
IMPORTANT
X, Y and Z play cricket. X's runs are to Y's runs and Y's runs are to Z's runs as 3:2. They score a total of 342 runs. How many runs did Z make?
EASY
CAT
IMPORTANT
In a school, 5% of the number of girls is equal to 110 of the number of boys. Find the ratio between the number of boys to the number of girls.