35
A single persons takes 3 minutes to write a letter. If from 10 a:m. to 12.00 noon, 1960 letters are to be written, how many persons should be employed on this job?
- A53
- B47
- C51
- D49
Answer not set
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0
CCommunity
Solution
Time taken by a single person to write a letter = 3 min
=> No. of letters written from 10 a.m. to 12.00 noon (i.e. 120 min) by a single person = $\frac{120}{3}$ = 40 letters
$\therefore$ No. of persons required to write 1960 letters in 120 min
= $\frac{1960}{40}$ = 49
Time taken by a single person to write a letter = 3 min
=> No. of letters written from 10 a.m. to 12.00 noon (i.e. 120 min) by a single person = $\frac{120}{3}$ = 40 letters
$\therefore$ No. of persons required to write 1960 letters in 120 min
= $\frac{1960}{40}$ = 49
0
CCommunity
Solution
Time taken by a single person to write a letter = 3 min
=> No. of letters written from 10 a.m. to 12.00 noon (i.e. 120 min) by a single person = $\frac{120}{3}$ = 40 letters
$\therefore$ No. of persons required to write 1960 letters in 120 min
= $\frac{1960}{40}$ = 49
Time taken by a single person to write a letter = 3 min
=> No. of letters written from 10 a.m. to 12.00 noon (i.e. 120 min) by a single person = $\frac{120}{3}$ = 40 letters
$\therefore$ No. of persons required to write 1960 letters in 120 min
= $\frac{1960}{40}$ = 49