Ques:- Two trains of length 120 m and 280 m are running towards each other on parallel lines at 42 kmph and 30 kmph respectively. In what time will they be clear of each other from the moment they meet?
Recent Answer : Added by Admin On 2022-09-29 18:55:02:
I solve it as the 280m train being stationary… and the 120m train moving at (42+30) = 72kph…. or 20mps
The front of the train will have to go 280m to pass the stationary train plus another 120m for the backs to clear… that is 400m in all.
The time to travel 400m at 20mps is 20secs
Ques:- A garrison of 400 men had a provision for 31 days. After 28 days 280 persons re-enforcement leave the garrison. Find the number of days for which the remaining ration will be sufficient?
Ques:- It was calculated that 75 men could complete a piece of work in 20 days. When work was scheduled to commence, it was found necessary to send 25 men to another project. How much longer will it take to complete the work?
Recent Answer : Added by Admin On 2022-09-29 15:28:07:
One day work = 1 / 20
One mans one day work = 1 / ( 20 * 75)
Now:
No. Of workers = 50
One day work = 50 * 1 / ( 20 * 75)
The total no. of days required to complete the work = (75 * 20) / 50 =
30
Ques:- Describe for me one or two of the biggest disappointments in your work history?
Ques:- Product of Prime no. between 1 to 20?
Recent Answer : Added by Admin On 2020-05-17 12:02:00:
2*3*5*7*11*13*17*19=9699690
Ques:- “Raw” means ?
Recent Answer : Added by Admin On 2020-05-17 12:01:18:
“RAW”:
RAW IS AN INDIAN INTILLIGENCE WING.
“RESEARCH AND ANALYSIS WING”
Ques:- There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Recent Answer : Added by DK BOSS On 2021-07-30 16:27:15:
Turn on a switch and leave it for some ten minutes. Turn it off, turn a second one on and open the door and go into the room. The glowing bulb corresponds to second switch. The bulb that is hot corresponds to first switch, as it was turned on for ten minutes and have heated up. The cold and not-glowing bulb corresponds to the third switch
Ques:- Find the odd man out:
10, 25, 45, 54, 60, 75, 80
A. 75
B. 54
C. 45
D. 10
Recent Answer : Added by Sai On 2022-03-09 16:28:43:
54
Ques:- Three pipes of same capacity can fill a tank in 8 hours. If there are only two pipes of same capacity, the tank can be filled in?
Recent Answer : Added by M.N On 2021-04-05 14:58:46:
3×8=24=2xt ===> t=12hours
Ques:- The ?Silent Treatment?
Ques:- A and B combinely can do a work in 4 days. If A alone can do a piece of work 6 days. In how many days B alone can do?
Recent Answer : Added by Admin On 2020-05-17 12:03:23:
say the work is w and let no of days taken by b is ‘x’ which
we have to calculate
so work done by a in one day is w/6
work done by b in one day is w/x
a and b together can do work in 4 days ie=(w/6)+(w/x)=(w/4)
solving equation x=12
so no of days taken by b=12
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Ques:- In a series of six consecutive even numbers, the sum of the second and sixth numbers is 24. What is the fourth number?
Recent Answer : Added by Mogomotsi On 2021-11-24 16:45:04:
2a; 2a+2; 2a+4; 2a+6; 2a+8; 2a+10
t_2 + t_6 = 24 => 2a+2 + 2a + 10 = 24 => a = 3
therefore t_4 = 2(3) + 6 = 12
Ques:- You have 50 white beads and 50 black beads and you MUST put all of the beads into two bins (50 beads in each), how do you maximize your chance of choosing a white bead (from either bin)
Ques:- Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)….
Ques:- Find the odd man out:
41, 43, 47, 53, 61, 71, 73, 81
A. 81
B. 73
C. 71
D. 61
Recent Answer : Added by Makeshkumar.M On 2022-08-14 16:46:39:
81
Ques:- A certain sum of money at simple interest amounted Rs.840 in 10 years at 3% per annum, evaluate the sum?
Recent Answer : Added by CS On 2022-08-14 16:31:43:
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Ques:- A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 liters per minute. When the tank is full in inlet is opened and due to the leak the tank is empties in 8 hours. The capacity of the tank is?
Ques:- What do you expect from the company if you get hired?
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Ques:- Evaluate the average of first 10 even numbers is?
Recent Answer : Added by Praveen Kumar On 2022-08-24 17:03:13:
11
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Ques:- What is the punchline of Corporation bank?
Recent Answer : Added by Sudeshna Roy On 2022-08-24 17:03:04:
Prosperity for all
Ques:- I AM SKILLFULL TO HANDLED THIS WORK VERY EFFECTIVELY
I solve it as the 280m train being stationary… and the 120m train moving at (42+30) = 72kph…. or 20mps
The front of the train will have to go 280m to pass the stationary train plus another 120m for the backs to clear… that is 400m in all.
The time to travel 400m at 20mps is 20secs