Ratio And Proportion Test

Result

Ratio And Proportion Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

The price of a colours box and a white board is in the ratio 3 : 7, if the cost of the white board is Rs. 480 more than the cost of the colours box, then what is the cost of the colours box?

A
Rs. 120

B
Rs. 145

C
Rs. 152

D
Rs. 160

Solution

Let the common factor be x,

Then the cost of the colours box = Rs. 3 x.

Cost of the white board = Rs. 7 x.

According to the question, we get

7 x = 480 + 3 x.

7x - 3x = 480

4x = 480

x = Rs. 120
Question 2
1 / -0

A bag contains some blue, yellow and green marbles in the ratio 4 : 6 : 8. If the total number of marbles is 900, then find out the yellow marbles in the bag.

A
200

B
240

C
280

D
300

Solution

According to the question, we get

4x + 6x + 8x = 900
18x = 900
x = 50

So, the number of yellow marble = 6x

= 6 × 50 = 300

Question 3

1 / -0

Match the following:

Column - I	Column - II
A. Ratios of 4 blue marbles and 7 red marbles	I. 4 : 7
B. Ratios of 7 blue marbles and 4 red marbles	II. 7 : 4
C. Simplest form of 18 : 24	III. 5 : 6
D. Simplest form of 20 : 24	IV. 3 : 4