1The
antecedent in the ratio 8 : 15 is -----------
2.Three
apples cost of rs. 36, then the cost of 5 apples is -------
3. If
a:b::c:d then a,b,c,d are said to be in
---------
4. The
simplest form of 96 : 120
5.Express
36:120 in its lowest terms ----------
6. The ratio
of 81 to 108 is ---------------------
7. Express
the ratio of two quantities p and q in verbal form
8. Express
the ratio of two quantities a and b is
symbolic form -------------------
9. A milk
man adds 250ml of water to I litre of milk. Find the ratio of water milk.
10. Rama’s
mother bought 5kg. pulses and 50g chill powder. Find the ratio of weights of chilli
powder to pulses. What is the ratio of weights of the pulses to
chilli powder?
11.Sameera
takes 30 minutes to reach school from home.
Rama takes ½ an hour to cover the same distance. Find the ratio of time taken by Sameera the
time taken by Rama.
12. Imran
bought 2 litre of ail and vijay bought 500 ml of oil. Find the ratio of quantities of all bought by
imran to oil bought by vijay.
13. Weight
of Abraham is 20 kg and his father’s weight is 60kg. Find the ratio of weight of Abraham and his
father. Express it in the simplest form.
14.
Geethaand lakshmi won Rs. 1050 in a game.
They agreed to share the amount in the ratio of 3:4 How much does each
person receive?
15.Two
numbers are in the ratio 5:6 if the sum of the numbers is 132, find the two
numbers.
16.If three
apples cost Rs. 45/- how much would five apples cost Rs.
17.Rama
bought 7 books for a total of Rs. 56.
How much would she payy for just 5 books.?
18. The cost
of 16 chairs is Rs. 4800. Find the
number of chairs that can be purchased for Rs. 4500.
19. If the
cost of 7 meters of cloth is Rs. 294, find the cost of 5m of cloth.
20. There
are 45 persons working in an office. The
number of females is 25 and the remaining are
males. Find the ratio of
i) The
number of females to number of males.
ii) The
number of males to the number of females.
1The
antecedent in the ratio 8 : 15 is 8
2.Three
apples cost of rs. 36, then the cost of 5 apples is Rs. 60
3. If
a:b::c:d then a,b,c,d are said to be in proportion
4. The
simplest form of 96 : 120 i.e.
4:5
5.Express
36:120 in its lowest terms 3 : 10
6. The ratio
of 81 to 108 is 3 : 4
7. Express
the ratio of two quantities p and q in verbal form
P is to q
8. Express
the ratio of two quantities a and b is
symbolic form
a/b
9. A milk
man adds 250ml of water to I litre of milk. Find the ratio of water milk.
Ans.
Quantity of water = 250 lr.,
Quantity of milk= 1 litre= 1000ml.
Ratio of
Milk and Water = 250 : 1000 i.e. 1”4
10. Rama’s
mother bought 5kg. pulses and 50g chill powder. Find the ratio of weights of
chilli powder to pulses. What is the ratio of weights of the pulses to
chilli powder?
Sol. Weight
of pulses = 5kg.
Therefore 5
x 1000 Grams=5000grms.
Weight of
chilli powder = 50 gm.
Ratio : 50 :
5000 = 1:100,
Ratio of weights of the pulses to chilli powder =100 :1
11.Sameera
takes 30 minutes to reach school from home.
Pradeep takes ½ an hour to cover
the same distance. Find the ratio of
time taken by Sameera the time taken by Rama.
Time taken
by Sameera to reach school from home = 30 minutes
Time taken
by Pradeep to cover the same distance = ½ hour= 30 minutes
Ratio of
time taken by sameera to the time taken by pradeep= 30 :30 == 1:1
12. Rama
bought 2 liters of ail and vijay bought 500 ml of oil. Find the ratio of quantities of all bought by
Rama to oil bought by vijay.
Quantity of
oil bought by Rama= 2 liters = 2 x 1000 ml. =2000ml
Quantityy of
oil bought by Vijayy = 500ml.
Ratio : 2000
: 500 == 4 : 1
13. Weight
of Abraham is 20 kg and his father’s weight is 60kg. Find the ratio of weight of Abraham and his
father. Express it in the simplest form.
Weight of
Abraham = 20 kg.
Weight of
Abraham’s father = 60 kg.
Ratio of
weight of Abraham and his father :20 : 60 == 1: 3
14. Geetha and
lakshmi won Rs. 1050 in a game. They
agreed to share the amount in the ratio of 3:4 How much does each person
receive?
Sol. Amount
won in the game and shared between Geetha and Laxmi is Rs. 1050-00
Ratio of
Geetha’s amount to Laxmi’s amount is 3:4
Total number
of parts = 3 + 4=7
Value of 7
parts = 1050/-, value of each part = 1050/7=150
Geetha
share= 150 x 3 =Rs. 450
Laxmi’s
share = 150 x 4= Rs. 600
15.Two
numbers are in the ratio 5:6 if the sum of the numbers is 132, find the two
numbers.
Sum of two
numbers: 132. Ratio of two numbers= 5:6 Total =11
Value of 11
parts = 132, value of eache part = 132/11 = 12
The Ist
number = 12 x 5= 60
The 2nd
number = 12 x 6 = 72 i.e. two numbers = 60 and 72
16.If three
apples cost Rs. 45/- how much would five apples cost Rs.
Three apples
cost = Rs. 45/-, i.e. one apple cost = 45/3=Rs.15
Cost of 5
aples cost = 5 x 15 =Rs. 75
17.Rama
bought 7 books for a total of Rs. 56.
How much would she pay for just 5 books.?
Cost of 7
books = 56, Cost of one book = 56/7 = 8
Cost of 5
books = 5 x 7 =Rs. 35
18. The cost
of 16 chairs is Rs. 4800. Find the
number of chairs that can be purchased for Rs. 4500.
Cost of 16
Chairs = 4800, cost of one chair = 4800/16 = Rs. 300
Number of
chairs that can be Purchased for Rs. 4500
= 4500/300 =
15
19. If the
cost of 7 meters of cloth is Rs. 294, find the cost of 5m of cloth.
The cost of
7 meters of cloth = 294,
The cost of
one meter= 294/7 = Rs.42
20. There
are 45 persons working in an office. The
number of females is 25 and the remaining
are males. Find the ratio of
The number
of persons in the office = 45
The number
of femailes = 25
The number
of males = 45 -25 = 20
i) The
number of females to number of males.
25 : 20 == 5 : 4
ii) The
number of males to the number of females.
20 : 25 == 4 : 5
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