Question

=> (1/3)logzM1/3N = 1- (1 - log2) / 3(1 - log2).
=> (1/3) log;M3N= 1 - 1/3 = 2/3.
or, logzM1/3 = 32/3.
or, MN° = 32
or Nº = 9/M.
Question 18
Two typists undertake to do a job. The second typist begins working one hour after the first. Three hours after
the first typist has begun working, there is still 9/20 of the work to be done. When the assignment is completed,
it turns out that each typist has done half the work. How many hours would it take each one to do the whole job
individually?
w/z
20.
A.
12 hr and 8 hr
B.
8 hr and 5.6 hr
2
c. 10 hr and 8 hr
- 20
20
3 2
By
D. 5 hr and 4 hr
31
tu
20​

Answer 1

Answer:

=> (1/3)logzM1/3N = 1- (1 - log2) / 3(1 - log2).

=> (1/3) log;M3N= 1 - 1/3 = 2/3.

or, logzM1/3 = 32/3.

or, MN° = 32

or Nº = 9/M.

Question 18

Two typists undertake to do a job. The second typist begins working one hour after the first. Three hours after

the first typist has begun working, there is still 9/20 of the work to be done. When the assignment is completed,

it turns out that each typist has done half the work. How many hours would it take each one to do the whole job

individually?

w/z

20.

A.

12 hr and 8 hr

B.

8 hr and 5.6 hr

2

c. 10 hr and 8 hr

- 20

20

3 2

By

D. 5 hr and 4 hr

31

tu

20

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