Question 2 :
Find the missing number in place of question mark in the proportion - $$\frac {3}{5} = \frac {?}{20}$$
Question 3 :
There are 102 teachers in a school of 3300 students. Find the ratio of the number of teachers to the number of students.
Question 4 :
A rectangular sheet of paper is of length 1.2 m and width 21 cm. Find the ratio of width of the paper to its length.
Question 5 :
The quarterly school fee in Kendriya Vidyalaya for Class VI is Rs 540. What will be the fee for seven months?
Question 6 :
If two ratios are equal, then they are in proportion. True or false ?
Question 7 :
A car can travel 240 km in 15 litres of petrol. How much distance will it travel in 25 litres of petrol?
Question 8 :
If it has rained 276 mm in the last 3 days, how many cm of rain will fall in one full week (7 days)? Assume that the rain continues to fall at the same rate.
Question 9 :
In a year, Seema earns Rs 1,50,000 and saves Rs 50,000. Find the ratio of money that Seema earns to the money she saves.
Question 10 :
The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.
Question 11 :
Is the given pair of ratios equal - $$\frac {2}{3} , \frac {4}{6}$$ ?
Question 12 :
Determine if the following are in proportion.
24, 28, 36, 48
Question 13 :
The students of a school belong to different religious backgrounds. The number of Hindu students is 288, the number of Muslim students is 252, the number of Sikh students is 144 and the number of Christian students is 72. Find the ratio of the number of Muslim students to the total number of students.
Question 14 :
<img src='61b1c424f59b460d7261e2ff' />
Look at the above figure in which each square is of unit length. The ratio of the area of the shaded portion to that of the whole figure is ______.
Question 15 :
<img src='61b1c42ff59b460d7261e30d' />
In the above figure, what is the ratio of the areas of shaded portion II to shaded portion III?
Question 16 :
Find two numbers whose sum is 100 and whose ratio is 9 :16.
Question 17 :
Out of 30 students in a class, 6 like football, 12 like cricket and remaining like tennis.What is the ratio of number of students liking cricket to total number of students?
Question 18 :
State whether the given statement is true or false. $$\frac {3}{8} = \frac {15}{40}$$
Question 19 :
A truck requires 108 litres of diesel for covering a distance of 594 km. How much diesel will be required by the truck to cover a distance of 1650 km?
Question 20 :
<img src='61b1c42df59b460d7261e30a' />
Refer to the above figure. In a floral design made from tiles each of dimensions 40 cm by 60 cm, find the ratio of the perimeter of shaded portion to the perimeter of the whole design.