Comparing Quantities Test

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Comparing Quantities Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

During a cricket match, 4800 people showed their spirit by wearing home team's colour. If 12000 people attended the game, what percent of crowd wear the same colour?

A
80%

B
40%

C
20%

D
60%

Solution

Percentage of crowd wearing same colour

= 4800/12000 × 100 = 40
Question 2
1 / -0

Which of the following is not equal to 5.2 ?

A
52 out of 1000

B
13 out of 250

C
26 out of 50

D
39 out of 750

Solution

[A] 52 out of

1000 = 52/1000 × 100

[B] 13 out of

250 = 13/250 × 100

[C] 26 out of

50 = 26/50 × 100

[D] 39 out of

750 = 39/750 × 100
Question 3
1 / -0

A wire is 72 cm long. It is bent to form a rectangle. The ratio of its length to its breadth is7:5. Find the area of the rectangle.

A
250 cm²

B
300 cm²

C
315 cm²

D
285 cm²

Solution

Let the length and breadth of rectangle be 7x and 5x respectively. Perimeter of rectangle = length of wire ∴ 2(7x+5x)=72⇒24x=72⇒x=3 ∴ Length of rectangle =7×3=21 cm
Breadth of rectangle =5×3=15 cm Area of rectangle =21×15=315 cm²
Question 4
1 / -0

The value of a machine depreciates every year by 5%. If the present value of the machine is? 100000, what will be its value after two years?

A
Rs.100050

B
Rs.90250

C
Rs.99250

D
Rs.96150

Solution

The value of the machine after depreciation of 5% per year for 2 years = (where

x₁ = loss and

x₂= gain)

Rs.100000 × 95/100 × 95/100 = Rs.90250
Question 5
1 / -0

By selling a jug for Rs.144, a man loses 1/7 of his outlay. If it is sold for Rs.189, what is the gain percent?

A
50%

B
25%

C
30%

D
12.5

Solution

Selling price of jug = Rs.144 Let the cost price of jug be Rs. x. Then, Loss

= 1/7

of

x = x/7

Now, Loss

=C.P.−S.P ⇒ x/7 = x − 144

or

144 = 6x/7 ⇒ x = Rs.168

Since, cost price of jug = Rs.168. Now, selling price = Rs.189

∴

Profit =

Rs.(189−168)=Rs.21 ∴ Profit %

= 21/168 × 100 = 12.5.
Question 6
1 / -0

Express 54 m as a percentage of 1 km 80 m.

A
3 5/7

B
5%

C
37 1/7

D
50%

Solution

1 km

80 m=1000 m+80 m

Required percentage = 54/1080 × 100 = 5

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Re-Attempt Weekly Quiz Competition

Comparing Quantities Test - 3

Result

Comparing Quantities Test - 3

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SHARING IS CARING

Question 1

80%

40%

20%

60%

Solution

Question 2

52 out of 1000

13 out of 250

26 out of 50

39 out of 750

Solution

Question 3

250 cm2

300 cm2

315 cm2

285 cm2

Solution

Question 4

Rs.100050

Rs.90250

Rs.99250

Rs.96150

Solution

Question 5

50%

25%

30%

12.5

Solution

Question 6

3 5/7

5%

37 1/7

50%

Solution

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Question Analysis

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250 cm²

300 cm²

315 cm²

285 cm²