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
- 35 Answers
- 127351 Views
- Atos Origin, ATS, College School Exams Tests, Entech, Four soft, HCL, IBM, IMS, Infosys, Kekran Mekran, L&T, ProKarma, Sree Nakshatra, State Bank Of India SBI, Subix, Sunera Technologies, Syntel, TCS, Tech Mahindra, TechMind, TransWorks, Unisys, I also Faced
- E-Mail Answers
Answer Posted / dominic
30*20*9=40*20*?
?=30*20*9/40*20
?=5400/600
?=9.
here 10 workers r working extra for 1800hrs(10*20*9)
so add 1800+5400(30*20*9)=7200 total working hrs for 40 workers.
So totalhrs a wokershould work to complete the job within 20
days is = 7200/40*20
=7200/800
=9hrs/day.
| Is This Answer Correct ? | 13 Yes | 49 No |
Post New Answer View All Answers
Each row of letters or numbers has a rule connecting them. Write the next number or letterin the brackets. N , O , M , P , L , Q , K , R , (_ _ _)
If a and b are positive integers and (a-b)/3.5 = 4/7, then the relation between a and b is
Current/most recent employer (Please state full names and address including Country and post code) Current Position Held When would you be available to start work? ONLINE INTERVIEW [INSTRUCTIONS: Give brief answers to all the under listed questions] QUESTIONS ANSWER SPACE 1) What are your years of experience? 2) How do you approach a technical problem? Give an example. How long do you think it would be before you will make a significant contribution to the team/company?
In a queue, a man is standing at the position 10th from the front and 15th from behind. How many persons are standing in the queue?
wind flows 160 miles in 330 min, for 80 miles how much time required.
If 4 circles of equal radius are drawn with vertices of a square as the center, the side of the square being 7 cm, find the area of the circles outside the square?
02: 1/3 of girls , 1/2 of boys go to canteen .What factor and total number of classmates go to canteen?
The crew of a rowing team of 8 members is to be chosen from 12 men (M1, M2, …., M12) and 8 women (W1, W2,…., W8), such that there are two rows, each row occupying one the two sides of the boat and that each side must have 4 members including at least one women. Further it is also known W1 and M7 must be selected for one of its sides while M2, M3 and M10 must be selected for other side. What is the number of ways in which rowing team can be arranged.
If the bus travels with 8 tyres(6 tyres running),travels a distance of 16000 km how much is the distance sustained by each tyre.
Calculate the area of the triangle in square cm if a right angled triangle where the length of the shorter leg is one third of the length of its hypotenuse. And the length of the shorter leg is 7 cm.
A clock showing 6 o'clock takes 30 secs to strike 6 times.How long will it take to strike 12 at midnight?
Robert is travelling on his cycle and has calculated to reach point a at 2 p.m. If he travels at 10 kmph, he will reach there at 12 noon if he travels at 15 kmph. At what speed must he travel to reach?
a bus started from bus stand at 8.00am and after 30min staying at destination it returned back to the bus stand.the destination is 27 miles from the bus stand the speed of the bus 50percent fast speed at what time it returns to the bus stand.
In 3.5 Kg rod , there is 74% silver. If it is alloyed with a 0.5 Kg rod, the % of silver goes up to 84%. The percent of silver in 0.5 Kg rod?
if the sum of five consecutive nos. 35? how many prime numbers are there :
