Question

3. Choose the correct answer and fill in the
blanks
(1) A proportion is a statement that two
Tatios are
lequrulentsamel
C) If the ratios 8 : 3 and
equivalent, then 8, 3, 40 and 15 are in
proportion
[15:40/40 151
Giii) In a proportion the first and
terms are called extremes.
[second I fourt)
Giv) in a proportion the second and third
terms are called
ſextremes/means)
(u) In a proportion, the product of means
of extremes.
Iproduct/sum)
equals the
(vi) In a proportion, if the first, third and
fourth terms are respectively 5, 3 and
30, then the second term is
(50/90]
4. Fill in the blanks:
(1) In a proportion the fourth and
terms are called extremes.
(ii) In a proportion the first second and
third terms are 6, 18, 25 respectively.
The fourth term is
of
(iii) In a proportion, the product of
equal to the product of means
(0) In a proportion, the
means is equal to the product of
extremes​

Answer 1

Answer:

Number of girls = 20

Number of boys = 15

Total number of students = 20 + 15 = 35

(a) Ratio of number of girls to boys =

(b) Ratio of number of girls to total students =