Suresh type 150 words in 4 minutes and mohan types 150 words in 5 minutes then in how much time they together type 375 words
Answers
Here is your answer...
It is given that suresh can type 150 words in 4 min..
which means that he can type 1 word in = 4/150 min
then he can type 375 words in
= 375 × 4/150 min
= 10 min...
similarly mohan can type 150 words in 5 min
which means that he can type 1 word in = 5/150 min
then he can type 375 words in
= 375 × 5/150 min
= 12.5 min
hence suresh can type 375 words in 10 minutes while mohan can type 375 words in 12.5 minutes..
hope this will help you.....
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Answer:
Suresh 150 words in 4 minutes
Mohan 150 words in 5 minutes
They both can type 150 words in
1 / 5 + 1 / 4 = 9 / 20
Means 20 / 9 minutes
Now they both can type 150 word in
20 / 9 minutes
So 375 words in = (20 / 9 * 375) / 150
That is 50 /9 minutes