Ratio and Proportion

Express the following ratio in simplest form:
 $1\ \frac{3}{4}:\ 2\ \frac{1}{2}\ :\ 1\ \frac{1}{6}$  

• 7 : 5 : 7

• 21 : 30 :14

• 3 : 1 ; 1

• 2 : 1 : 3

Divide Rs.234 among three children in the ratio  $\frac{1}{2}\ :\ \frac{1}{3}\ :\ \frac{1}{4}$ . The first, second and third child will get  

• 52, 78 &  104

• 104, 78 & 52

• 108, 72 & 54

• 54, 72 & 108

A certain sum of money has been divided into two parts in the ratio 5 : 8. If the second part is Rs. 520, then the total amont Rs. (a)  

A natural number has been divided into two parts in the ratio 5 : 9. If the difference of these part is 24, then the natural number is (a)  

If a : b = 3 : 4 and b : c = 6 : 7, then a : b : c =

• 3 : 24 : 7

• 9 : 12 : 14

• 7 : 24 : 3

• 14 : 12 : 9

If x : 4 = 9 : 12, then x = (a)  

If 25 : x = x : 81, Then x = (a)  

Find the fourth proportional to 42, 12, 7

(a)  

Find the third proportional to 36, 18

(a)  

A rectangular park is 100 m long and 50 m wide. Find the ratio of area to its length

• 50 : 1

• 1 : 2

• 1 : 50

• can't be calculate due to different quantity.