Percentage
MCQs Math


Question:     200 is what percent of 380? Or, What percent of 380 is equal to 200?


Correct Answer  52.63%

Solution And Explanation

Solution

Given number = 380

To find, 200 is what percent of 380?

This question can be written as also

What percent of 380 is equal to 200?

⇒ ?% of 380 = 200

Let ? = m

And the meaning of "of" in mathematics is "Multiplication".

∴ m% of 380 = 200

⇒ m% × 380 = 200

m/100 × 380 = 200

380 m/100 = 200

After cross multiplication, we get

380 m = 200 × 100

After transposing 380 to RHS, we get

m = 200 × 100/380

⇒ m = 20000/380

⇒ m = 52.63%

Thus, 52.63% of 380 = 200

Thus, Answer = 52.63%

Shortcut Method to find a number is what percent of other

If we have to find

? % of a = b

Here, let ? = m

Thus, above expression can be written as

m% of a = b

m/100 × a = b

m × a/100 = b

After cross multiplication, we get

m × a = b × 100

⇒ m = b × 100/a

Thus, using this formula, we can find a number (a) is what (m) percent of b

In the question, we have to find what percent of 380 = 200

Here, we have ? = m

a = 380

And, b = 200

Thus, using formula

⇒ m = 200 × 100/380

= 200 × 100/380

= 20000/380 = 52.63%

Thus, 52.63% of 380 = 200

Thus, 52.63% Answer


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