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
Answer Posted / seema
FOR 30 MEN D NO OF WORKING DAYS=20
FOR 40 MEN D NO OF WORKING DAY=20
MEN =30 40
DAYS =20 20
HRS PER DAY =9 x
30*20*9=40*20*x
so x=6.75hrs
| Is This Answer Correct ? | 32 Yes | 16 No |
Post New Answer View All Answers
If PQRST is a paralellogram .What is the ratio triangle PQS & PQRST.
In a survey of town of Wasco, it was found that 65% of the people surveyed watched the news on television, 40% read newspaper, and 25% read a newspaper and watched the news on television. What percent of the people surveyed neither watched the news on the television nor read a newspaper?.
A sales person multiplied a number and get the answer is 3, instead of that number divided by 3. What is th answer he actually has to get? 1/3
A man is running around a rectangle it takes time 2 time in travelling length than travelling width total perimeter = 300. Find area.
a man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be?
What is the height of the cone of diameter 12 cm that is formed after melting a sphere of 6 cm diameter?
if on a salary of rs."S" per month,one has to pay one tax of x rs. And a second type of tax of y rs then % of salary taken home is?
If "PROMPT" is coded as QSPLOS ,then "PLAYER" should be?
A Fraction has the denominator greater than its numerator by 4. But if you add 10 to the denominator, the value of the fraction would then become 1/8. What is the fraction. 1/5,3/7,1/3,2/6
A fuel dealer mixes two brands of fuel which cost in the ratio 2:3 A solution of 30% Brand A with Brand B yields profit of 10% when sold at RS 297. What is cost of brand B?
Find the next letter in the series Q,W,E,R,T,--
Fathers age is 5 times his son's age. 4 years back the father was 9 times older than son.Find the fathers' age.
two friends A,B are running up hill and then to get down! length if road is 440 yards A on his return journy met B goin up at 20 yards from top,A has finished the rase .5 Minuit earlier than B,then how much time A had taken to complete the rase.
The day before yesterday was WEDNESDAY then the day after 2morrow is?
Four Members A, B, C, D are playing a game .A person losing a game should double the amount of others .B, C, D are losing in order after three games .The amount after 3 games are A&B having 40,D is having 16&C 80.What amount did B have?