Which is the equivalent ratio of 2 : 5 of the followings ?

1% of 200 centimetre is –

In the ratio 1 : 5
(i) the antecedent is 1
(ii) the subsequent is 5
(iii) the inverse ratio is 5 : 1
Which is the correct answer ?

2 men or 3 boys can finish a piece of work. 2 men, upon completing the work, got TK. 900. How many men’s work can 9 boys do ?

Tomal has obtained 70% of marks. What marks has Tomal obtained if the total marks of examination are 700 ?

Which of the following is the compound ratio of 3 : 4 and 4 : 5 ?

If the ratio 3 : 20 is expressed into percentage, which of the following is correct ?

Of 100 boys and girls, if 60% is girls
(i) the number of girls = 60
(ii) the number of boys = 40
(iii) the ratio pf boys and girls = 3 : 2
Which is the correct answer ?

2 men or 3 boys can finish a piece of work. 2 men, upon completing the work, got TK. 900. What amount of money would each boy get if 3 boys would do the work ??

What is ratio ?