28. A and B can finish a piece of work in 20 days .B and C
in 30 days and C and A in 40 days.
In how many days will A alone finish the job
(a) 48
(b) 34 2/7
(c) 44
(d) 45

Answers were Sorted based on User's Feedback



28. A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In h..

Answer / sagar rath

A+B ONE DAY WORK=1/20
B+C ONE DAY WORK=1/30
(A+B)-(B+C)=1/60=A-C
A-C=1/60-------------(1)
A+C=1/40-------------(2)
ON SOLVING BOTH WE GET A=48 DAYS.

Is This Answer Correct ?    32 Yes 4 No

28. A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In h..

Answer / bavani

48

Is This Answer Correct ?    5 Yes 0 No

28. A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In h..

Answer / gowri

48

Is This Answer Correct ?    4 Yes 0 No

Post New Answer

More General Aptitude Interview Questions

If a:b=5:6 and b:c=5:6, a:c=?

3 Answers   eClerx, Infosys,


What will you do after 5 years?

3 Answers  


which company is invented the tally software.

6 Answers   UGC NET,


A persons age is similar to the year he was born(last two digits is counted as age).

0 Answers   Cisco,


. Select the correct statement a. NEXT SENTENCE and CONTINUE functionally does the same. b. Never can code a DECLARE CURSOR statement in procedure division. c. Edited numeric characters can be included in arithmetic operations. d. The Sub parameters of a DCB parameter are Keyword parameters.

0 Answers  






There is square of side 6 cm .A circle is inscribed inside the square Find the ratio of area of circle to the squqre .

0 Answers   CMC,


Fallin height is proportional to square of the time. One object falls 64 cm in 2 sec. than in 6 sec. from how much height the object will fall?

0 Answers   HCL,


If 12 file cabinets require 18 feet of wall space, how many feet of wall space will 30 cabinets require?

3 Answers   TCS,


The diameter of a circle is 21 metres. It will take how many revolutions to cover a distance of 6.6 km?

0 Answers  


My flight takes of at 2am from a place at 18N 10E and landed 10 Hrs later at a place with coordinates 36N70W. What is the local time when my plane landed. a) 6:00 am b) 6:40am c)7:40 d)7:00 e)8:00

2 Answers   TCS,


1,2,3,5,?,10,15,30

16 Answers   CTS, SAE,


78 identical cubes each with 2 cm edge are joined together to form a cuboid. If the perimeter of the base of the cuboid is 64 cm, then the number of cubes along the height of the cuboid is

2 Answers  


Categories