Percentage - Arithmetic

Question: (11) Find 16% of 300

Solution:

We have to find 16% of 300

Thus, 16% of 300

Shortcut method:

We have to find 16% of 300

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

Similarly,

16% of 300 = 16 x 3

= 48 Answer

Question: (12) Find 22% of 400

Solution:

We have to find, 22% of 400

Thus, 22% of 400

Shortcut method:

We have to find, 22% of 400

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

And, 1% of 400 = 1 × 4 = 4

Similarly,

22% of 400 = 22 x 4

= 88 Answer

Question: (13) Find 21% of 300

Solution:

We have to find, 21% of 300

Thus, 21% of 300

Shortcut method:

We have to find, 21% of 300

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

Similarly,

21% of 300 = 21 x 3

= 63 Answer

Question: (14) Find 27% of 300

Solution:

We have to find, 27% of 300

Thus, 27% of 300

Shortcut method:

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

Similarly,

27% of 300 = 27 x 3

= 81 Answer

Question: (15) Find 22% of 1000

Solution:

We have to find 22% of 1000

Thus, 22% of 1000

Shortcut method:

We have to find, 22% of 1000

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

And, . . . . . . . .

And, 1% of 1000 = 1 × 10 = 10

Similarly,

22% of 1000 = 22 x 10

= 220 Answer

Question: (16) Find 29% of 1000

Solution:

We have to find, 29% of 1000

Thus, 29% of 1000

Shortcut method:

We have to find, 29% of 1000

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

And, . . . . . . . .

And, 1% of 1000 = 1 × 10 = 10

Similarly,

29% of 1000 = 29 x 10

= 290 Answer

Question: (17) Find 35% of 1000

Solution:

We have to find, 35% of 1000

Thus, 35% of 1000

Shorcut method:

We have to find, 35% of 1000

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

And, . . . . . . . .

And, 1% of 1000 = 1 × 10 = 10

Similarly,

Therefore, 35% of 1000

= 35 x 10

= 350 Answer

Question: (18) Find 42% of 1000

Solution:

We have to find, 42% of 1000

Thus, 42% of 1000

Shortcut Method

Here, we have to find, 42% of 1000

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

And, 1% of 1000 = 1% of 100 × 10

= 1 × 10 = 10

Similarly,

42% of 1000 = 42% of 100 × 10

= 42 × 10

= 420 Answer

Question: (19) Find, 220% of 200

Solution:

We have to find, 220% of 200

Thus, 220% of 200

Shortcut Method

We have to find, 220% of 200

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

Similary,

220% of 200 = 220 × 2

= 440 Answer

Question: (20) Find, 125% of 200

Solution:

We have to find, 125% of 200

Thus, 125% of 200

 

Shortcut Method

Here, we have to find, 125% of 200

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

Similary,

125% of 200 = 125 × 2

= 250 Answer

Question: (21) Find, 125% of 300

Solution:

Here, we have to find, 125% of 300

Thus, 125% of 300

= 125 × 3

= 375 Answer

Shortcut Method

We have to find, 125% of 300

Since, 1% of 100 = 1 × 1 = 1

And, 1% of 200 = 1 × 2 = 2

And, 1% of 300 = 1 × 3 = 3

Similary,

125% of 300

= 125 × 3

= 75 Answer

Question: (22) Find, 55% of 3000

Solution:

Here, we have to find, 55% of 3000

= 55 × 30

= 1650 Answer

Shortcut Method

Here, we have to find, 55% of 3000

Since, 55% of 100

= 55 × 1 = 55

Thus, 55% of 3000

= 55% of 100 × 30

= 55 × 30

= 1650 Answer

Question: (23) Find, 100% of 5000

Solution:

Here, we have to find, 100% of 5000

= 5000 Answer

Shortcut Method

Here, we have to find, 100% of 5000

Since, 100% of 1 = 1 × 1 = 1

And, 100% of 2 = 2

And, 100% of 100 = 100

Thus, 100% of 5000

= 5000 Answer

Question: (24) Find, 50% of 10000

Solution:

We have to find 50% of 10000

= 50 × 100

= 5000 Answer

Shortcut Method

We have to find 50% of 10000

We know that, 50% of 1 = 1/2

And, 50% of 2 =

And, 50% of 3 = 3/2

Thus, 50% of 10000

= 5000 Answer

Question: (25) Find, 25% of 1000

Solution:

We have to find 25% of 1000

= 25 × 10

= 250 Answer

Shortcut Method

We have to find, 25% of 1000

Since, 25%

Thus, 25% of 1 =

And, 25% of 2

And, 25% of 4

Thus, 25% of 1000

=250 Answer

Question: (26) Find, 10% of 5000

Solution:

We have to find 10% of 5000

= 10 × 50 = 500

= 500 Answer

Shortcut Method

We have to find, 10% of 5000

We know that, 10%

Thus, 10% of 5000

= 500 Answer