Recent Answer : Added by David Evans Gyamfi On 2021-09-26 15:12:42:
x+8y=20, x=-3y
(-3y)+8y=20
5y=20
y=4
The answer for y is 4
Ques:- Thirty men take 20 days to complete a job working 9 hours a day. How many hour a day should 40 men work to complete the job?
A. 8 hrs
B. 7 1/2 hrs
C. 7 hrs
D. 9 hrs
Recent Answer : Added by 9074743593 On 2021-07-29 16:19:42:
7 1/2
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Recent Answer : Added by as On 2021-05-16 16:12:43:
brother and sister
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Recent Answer : Added by Manik rattan On 2021-08-16 06:56:14:
suppose
pipe:
A -30 hours A’s effeciency (60/30) =2
60( lcm of 30 and 20)
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time taken by both to fill = 60/5 =12 as given in question (effeciencies of both a+b =2+3=5)
time taken by faster pipe i.e b = 60/3 =20
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Ques:- 8400 ? 120 x 15 + 150 = ?
Recent Answer : Added by Admin On 2020-05-17 12:03:34:
8400 ? 120 x 15 + 150 = ?
ans:
8400 % 120 x 15 + 150 = ?
1200
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Recent Answer : Added by Admin On 2020-05-17 12:04:08:
8:20
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Recent Answer : Added by Admin On 2020-01-31 19:05:23:
I am Srilaxmi. I born and bought-up in WARANGAL. My father Agriculture cum politician and my Mom homemaker. I blessed with three brothers and one sister. My elder brother was married and working as a TA in MPDO office at Warangal. My first younger brother was also married and working with Sushee Infra Pvt Ltd as a Asset Manager at Hyderabad. Younger brother and sister are into their studies. Coming to me I completed my MBA from ICFAI university in 2008 and worked as a Audit assistant in accounting firm for two years. I had actively participated in bank audits i.e. is in CBI (Concurrent audit) and SBI(Statutory audit) during my services. Later I pursued CS Executive and attempted for five times then I give up to clear my M.Com. At present I was studying postal studies of CS Executive programme. My hobbies are reading books and listening to music.
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Recent Answer : Added by Ali On 2021-09-01 15:53:08:
18th
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Recent Answer : Added by Ax On 2021-04-09 17:38:12:
x+8y=20, x=-3y
(-3y)+8y=20
5y=20
y=4
The answer for y is 4