Ques:- if 30 men completes a job in 15 days working 9 hrs per day.. how much hours per day should 40 men work ??
Recent Answer : Added by Admin On 2020-05-17 12:04:31:
as i assume the time taken to complete the job is not to be
changed while increasing the employees as it does not
clearly states so……….
30 men wrk for 9 hrs
therefore for the work to be done if no of workers is
increases the no of hrs / day to work should decrease so
here s a inverse relation
solving further we get
30 = K /9 ==> K= 270
now
40 = 270/y ==> y= 6.75
therefore ans is d)none
Ques:- Two candles of equal lengths and of different thickness are there. The thicker one will last of six hours. The thinner 2 hours less than the thicker one. Ramesh light the two candles at the same time. When he went to bed he saw the thicker one is twice the length of the thinner one. For how long did Ramesh lit two candles ?please describe full description
Recent Answer : Added by nandy On 2022-10-17 15:57:45:
2hrs
Ques:- A man, a woman, and a child can do a piece of work in 6 days. Man only can do it in 24 days. Woman can do it in 16 days and in how many days child can do the same work?
A. 8
B. 14
C. 16
D. 18
E. 25
Recent Answer : Added by RENA On 2022-10-07 17:19:37:
I think the answer is: 16
the woman faster *1.5 from the man, every day.
because that, the exersize is:
24/1+1.5+x=6
x=1.5
24/1.5=16!
Recent Answer : Added by S.kowsalya On 2022-05-17 09:07:47:
523
Ques:- A man jogs at 6 mph over a certain journey and walks over the same route at 4 mph. What is his average speed for the journey?
A. 2.4 mph
B. 4 mph
C. 4.8 mph
D. 5 mph
E. None of above
Recent Answer : Added by Admin On 2022-09-27 18:56:10:
C. 4.8 mph
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Ques:- The first three terms of a proportion are 3, 9 and 12. The fourth term is?
Recent Answer : Added by Nikhil Shamrao Ghume On 2022-01-08 16:06:47:
24
Ques:- A can do a piece of work in 12 days. He worked for 15 days and then B completed the remaining work in 10 days. Both of them together will finish it in.
Recent Answer : Added by Akash Muruganandam On 2021-07-21 15:27:00:
Question is wrong i think
Ques:- Functionalties of servlets.
Recent Answer : Added by MGK On 2021-08-06 04:58:03:
Servlets are the Java programs that run on the Java-enabled web server or application server. They are used to handle the request obtained from the webserver, process the request, produce the response, then send the response back to the webserver.
Ques:- 1/(10 power 18) – 1/(10 power 20) = ?
Recent Answer : Added by Admin On 2020-05-17 11:59:42:
99/1020
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Ques:- A cistern has a leak which would empty the cistern in 20 minutes. A tap is turned on which admits 4 liters a minute into the cistern, and it is emptied in 24 minutes. How many liters does the cistern hold?
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Ques:- Why the rotation of fan is anticlockwise all over the world?
Recent Answer : Added by Admin On 2022-09-27 18:22:41:
It is due to the counter clockwise motion of the motor. The motor rotates in the counter clockwise direction the blades of the fan are attached to the motor hence the blades rotates in the anti clockwise direction. So it is due to the motor rotation the fan rotates in counter clockwise direction.
Ques:- How do you design a clock for blind people?
Recent Answer : Added by Elcin Kumar M On 2022-05-17 08:55:19:
I would design a voice integrated clock that reads out the time aloud whenever people ask for time
Ques:- The radius of a circle is increased by 1%. Find how much % does its area increases?
Recent Answer : Added by Shubham Rajeshbhai Tank On 2021-07-08 16:28:42:
2.01%
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Ques:- One person is wearing Black and White shoes as his pair. If he is having 20 white and 20 Black shoes. What will be the less number of time he have try to take his correct pair of shoes.
Ques:- A room is 4 meters 37 cm long and 3 meters 23cm broad. It is required to pave the floor with minimum square slabs. Find the number of slabs required for this purpose?
Ques:- 10 books are placed at random in a shelf. The probability that a pair of books will always be together is -.
Recent Answer : Added by Mahomed On 2021-08-24 15:05:46:
All books can be arranged in 10! ways. A single pair of books can be taken as a unit and arranged among the 8 others in 9! ways. The pair of books can also be interchanged and therefore rearranged in 2! ways. Thus the probability of the pair always being together is (9!*2!)/10!
Ques:- What is the number of zeros of the product of the first 100 numbers ?
Recent Answer : Added by Admin On 2020-05-17 12:05:49:
24.
exp: 0 is formed by multiplying 5 with 2. so first we find
how many 5’s and 2’s are there in 100!.
No of 5’s : 100/5=20/5=4/5.
20 +4 =24.
No of 2’s : 100/2=50/2=25/2=12/2=6/2=3/2=1/2.
50 +25 +12 +6 +3 +1.
It has 24 5’s and 2’s.
so the no. of zeros=24.
Ques:- A train travelling at a speed of 90 km/hr, crosses a pole in 10 seconds. The length of the train is
A. 100 m
B. 150 m
C. 250 m
D. 900 m
Recent Answer : Added by vineet kumar On 2022-08-14 16:44:48:
Train speed 90 km /h
1st we have to change in m/s. then 90*5/18=25m/s
Then d=speed*time
=25*10=250m train length
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as i assume the time taken to complete the job is not to be
changed while increasing the employees as it does not
clearly states so……….
30 men wrk for 9 hrs
therefore for the work to be done if no of workers is
increases the no of hrs / day to work should decrease so
here s a inverse relation
solving further we get
30 = K /9 ==> K= 270
now
40 = 270/y ==> y= 6.75
therefore ans is d)none