Question

Reeta types 40 words per min and takes 24 min to type a certain document.Her frend Geeta has a typing speed of 48 words per min.In how much time,will she be able to type the same document?

Answer 1

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THIS IS THE TYPE OF INVERSE PROPORTION...

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REETA TYPES 40 WORDS PER MIN

TAKE 24 MIN TO TYPE CERTAIN DOCUMENT..

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TOTAL WORDS = TYPING SPEED * TIME

TOTAL WORDS = 40 * 24

TOTAL WORDS = 960

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NOW ,

TYPING SPEED OF GEETA = 48 WORDS PER MINUTE ....

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TOTAL TIME = WORDS / SPEED

TIME = 960 / 48

TIME = 20 MIN

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