Question

30% of20g evaluate whose answer is correct I mark brainliest

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Answer 1

Answer:

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Answer 2

Answer:

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Questions & Answers

CBSE

Mathematics

Grade 7

Application of Percentage

Question

Answers

Related Questions

Evaluate 30%

of 70%

of 35

th of 3500.

a.441

b.361

c.400

d.484

Answer

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Hint: We have to find the value of 30%

of 70%

of 35

th of 3500. For this, we find 35

th of 3500 first.

Now note that x%

of a number n is given by n×x100. Therefore find 30% of 70% of 35

th of 3500.

Complete step-by-step answer:

We have to find the value of 30% of 70% of 35

th of 3500.

Now, 35

th of 3500 is given by

=3500×35

On simplification we get,

=700×3

On multiplication we get,

=2100

Now, 70%

of 35

th of 3500

=70%

of 2100

Using, x%

of a number n is given by n×x100, we get

=2100×70100

On simplification we get,

=21×70

On multiplication we get,

=1470

Now, 30%

of 70%

of 35

th of 3500 is

=30%

of 1470

Using, x%

of a number n is given by n×x100, we get

=1470×30100

On cancelling zeros we get,

=1470×30100

=147×3

On multiplication we get,

=441

Therefore 30%

of 70%

of 35

th of 3500 is 441