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\ 15-Nov-2024 Surender Prajapati Proof-6 Reader’s Sign _______________________ Date __________

D. Fill in the blanks.
1. The ratio 120 : 360 in its simples of form is written as ________________.

2. In the ratio a : b, b is called ________________.
3. A proportiin is an equation in which two ratios are set ___________ to each other.
4. If a : b : : c : d, then a and d are called ______________.
5. If 15 : x : : 3 : 7, then x is equal to ______________.
E. Answer the following.

1. The ratio of the distance between Shreya’s home and school and the distance between Rohan's home
and school is 2 : 3.

( a) Who lives nearer the school?
( b) Based on the given information, complete the following table.

Distance between Shreya’s home and school in km 4 16
Distance between Rohan's home and school in km 6 12 15
2. Find the ratio of the shaded portion to the unshaded portion.

3. The ratio of the weight a man can lift according to his body weight is 3 : 1. How much weight can a
man weighing 60 kg lift?
4. An office opens at 9 a.m. and closes at 5.30 p.m. with a lunch break of 30 minutes. What is the ratio
of the lunch break to the total period in the office?
5. The temperature has increased by 5°C in the last 30 days. If the rate of the temperature increase
remains the same, how many degrees will the temperature increase by in the next twelve days?
6. Seema made lemonade using 1 cup of lemon juice for every 3 cups of water used. What is the ratio
of the number of cups of lemon juice to the number of cups of water?
7. The height of flagpole A is 5 m and the height of flagpole B is 40 cm. What is the ratio of the height
of flagpole A to the height of flagpole B?
8. Unequal masses will not balance on a fulcrum if they are at equal distance from it; one side will go
up and the other side will go down. Unequal masses will balance when the following proportion is
mass 1 mass2 COMPETENCY BASED QUESTION
true: =
length 2 length1
Two children can be balanced on a seesaw when mass1 = mass2
length 2 length1
The child on the left and the child on the right are balanced.
24 kg ?

3 m 2 m
What is the mass of the child on the right?

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