Percent and Percentage Test

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Percent and Percentage Test - 7

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Weekly Quiz Competition

Question 1
1 / -0

In an examination, first division marks are 50%. Astudent secures 448 marks and misses the first division by 2 marks. Find thetotal marks of the examination.

A
800

B
850

C
900

D
950

Solution

Marks for first division = 50%
A student gets 530 marks and misses the first division by 2marks
Marks for first division = 448 + 2 = 450
50% of total marks = 450
We can write it as
50/100 × total marks = 450
So we get
Total marks = (450 × 100)/ 50 = 900
Question 2
1 / -0

7 is what percent of 28

A
25

B
50

C
75

D
100

Solution

It can be calculated as,
(7/28) x 100
= (1/4) x 100
= 25
Question 3
1 / -0

Whatis the new value if 5 is increased by 300%?

A
20

B
18

C
13

D
14

Solution

Given Value = 5
300 % of 5= 5 x 300/100
=15
New value = 5 + 15
= 20.
Question 4
1 / -0

Thenumber which exceeds double of 6% of it by 52.8 is:

A
50

B
52

C
58

D
60

Solution

Doubleof 6% = 12%. So,
Let the number be x. Then, x – 12% of x = 52.8
x – (12/100)x = 52.8
x (1– 12/100) = 52.8
(88/100)x = 52.8
x = (100 X 52.8) / 88 = 60
Question 5
1 / -0

What will be the fraction of 20%

A
1/4

B
1/5

C
1/10

D
None of above

Solution

It will
20 x1/100
= 1/5
Question 6
1 / -0

What percent of 60 m is 9 m?

A
15%

B
10%

C
20%

D
25%

Solution

Let a % of 60 m = 9 m
Step 1 – Convert the Percentage into Fraction
i.e. a % = a/100
Step 2– Multiply the Fraction with given quantity.
60a/100=9
a = 90/6
a = 15
Hence, 9 m is 15 % of 60 m
Question 7
1 / -0

84% of a number is 28. Find the number.

A
18.5

B
28.5

C
23.5

D
33.8

Solution

Consider x as the number
84% of x = 28
We can write it as
84/100 × x = 28
By further calculation
84x = 28 × 100
So we get
x =28.5
Question 8
1 / -0

If L = a% of b and M = b% of a, then which ofthe following is true?

A
L

B
L>M

C
L=M

D
None of the above

Solution

a % of b = (a x b)/100
b % of a = (b x a)/100
From the above we can saythat,
L=M
Question 9
1 / -0

A fruit seller had some apples. He sells 60% apples which are equal to 420 apples. Originally, he had:

A
650

B
700

C
750

D
800

Solution

Suppose originally hehad a apples.
So,
a x 60/100 = 420
a = 4200/6
a = 700.
Question 10
1 / -0

What will be the fraction of 4%

A
1/20

B
1/50

C
1/75

D
1/25

Solution

It will be
4 x 1/100
= 1/25.
Question 11
1 / -0

5.25 can be expressed in terms of percentage as

A
0.525

B
52.5

C
525

D
0.0525

Solution

While calculation in termsof percentage we need to multiply by 100,
So,
5.25 x 100
= 525.
Question 12
1 / -0

Aman has a certain unknown sum of money, 40 % of that sum is ₹ 3200. What is thesum of money?

A
8000

B
7000

C
7500

D
8500

Solution

The problem can be solved using linear equation.
Let the unknown sum of money be ₹ a
We know, that 40 % of ₹ a = ₹ 3200
40 % x a = ₹ ( 3200 )
40/100 x a = ₹ ( 3200 )
a = ₹ (3200 x 100)/40
= ₹ 8000
Therefore, the unknown sum of money available with the man is ₹ 8000
Question 13
1 / -0

A number when decreased by 20 % gives 40. The number is?

A
40

B
50

C
60

D
70

Solution

Solution: Here we take the help of linear equation. Firstwe will form the equation.
Let the number be ‘a’
So,
From the question
a-(20a/100) = 40
(100a-20a)/100 =40
a = 50
Hence, the number is 50
Question 14
1 / -0

What percentage of numbers from 1 to 20 have 2 or 3 in the unit's digit?

A
10

B
20

C
30

D
40

Solution

There are only four numbersas given below:
2, 3, 12 and 13
So,
The required percentage =(4/20) x 100
=20
Question 15
1 / -0

Find71 % of 3600 meters

A
2356

B
2456

C
2556

D
2656

Solution

Step 1 – Convert the Percentage into Fraction
i.e. 71 % = 71/100
Step 2– Multiply the Fraction with givenquantity.
i.e., (71/100 x 3600) meters = 2556 meters.

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Re-Attempt Weekly Quiz Competition

Percent and Percentage Test - 7

Result

Percent and Percentage Test - 7

Score

-

Rank

-

SHARING IS CARING

Question 1

800

850

900

950

Solution

Question 2

25

50

75

100

Solution

Question 3

20

18

13

14

Solution

Question 4

50

52

58

60

Solution

Question 5

1/4

1/5

1/10

None of above

Solution

Question 6

15%

10%

20%

25%

Solution

Question 7

18.5

28.5

23.5

33.8

Solution

Question 8

L

L>M

L=M

None of the above

Solution

Question 9

650

700

750

800

Solution

Question 10

1/20

1/50

1/75

1/25

Solution

Question 11

0.525

52.5

525

0.0525

Solution

Question 12

8000

7000

7500

8500

Solution