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
Ques:- If you do not have much time & they hold seriously differing views, what would be your approach?
Ques:- Convert 251 decimal to base 8(i.e. octal)?
Recent Answer : Added by Admin On 2020-05-17 12:01:28:
373
Ques:- Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?…
Recent Answer : Added by King11 On 2022-03-18 09:20:21:
6 pairs of earrings. So 12 earrings.
The total has to be 26, so let’s say there’s 6 pairs of earrings and the number of pairs has to be 4 less than the number of rings. So that would make 10 rings. The 10 rings has to be 2 1/2 greater than the number of pins. So you would divide 10/2.5 = 4 Pins. That would equate to a total of 12 earrings, 10 rings, and 4 pins. A total of 26 pieces.
Ques:- A can do a half of certain work in 70 days and B one third of the same in 35 days. They together will do the whole work in.
Recent Answer : Added by Anonymous On 2021-12-20 03:54:48:
Days taken by A to complete whole work= 140 days
Days taken by B to complete whole work= 105 days
A’s 1 day work= 1/140
B’s 1 day work= 1/105
On adding these together we get: 1/60 (1 day work by working together)
So, together they will be able to complete it in 60 days
Ques:- At what time after 4.00 p.m. is the minutes hand of a clock exactly aligned with the hour hand?
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Ques:- What is the abbreviation of NACCO, OPEAC, NEWS?
Recent Answer : Added by mia tan On 2022-09-25 16:02:44:
NON
Ques:- The length of the bridge, which a train 130 m long and traveling at 45 km/hr can cross in 30 sec is?
Ques:- How many times do the hands of a clock point towards each other in a day?
A. 12
B. 20
C. 22
D. 24
Recent Answer : Added by narendra On 2022-09-18 09:03:29:
22
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Ques:- There are 20 poles with a constant distance between each pole A car takes 24 second to reach the 12th pole. How much will it take to reach the last pole
Recent Answer : Added by Admin On 2022-09-29 16:26:22:
Let the distance between each pole be x m. Then, distance up to 12th pole = 11x m
∴ Speed = 11x22m/s
∴ Time to cover total distance up to 20th pole
= 19x×2411x
= 41.45 s
Ques:- What types of tools or measuring devices do you use related to math?
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Ques:- Three pipes X, Y and Z can fill a tank in 6 hours. After working at it together for 2 hours, Z is closed and X and Y can fill the remaining part in 7 hours. The number of hours taken by Z alone to fill the tank is:
Ques:- Find the least square number which is divisible by 10, 12, 15 and 18?
Recent Answer : Added by Sai On 2022-03-09 16:28:42:
2
Ques:- I don’t know
Ques:- What are your plans for the future in terms of higher education?
Ques:- What was the day of the week of 1st January 2001?
A. Tuesday
B. Wednesday
C. Friday
D. Sunday
Recent Answer : Added by Muhammad Bilal On 2021-11-24 16:45:21:
Monday
Ques:- How is the 90 percentile calculated? Say I am having total 2000 transactions pumped to the system and I have 1800 passed and 200 failed. So the 90 pertile is considered from the Passed transactions or (passed+failed) transactions?
Recent Answer : Added by arjun On 2021-12-09 18:39:56:
1620
Ques:- 30% apples out of 450 are rotten. How many apples are in good condition?
A. 180
B. 240
C. 315
D. 335
Recent Answer : Added by Venu On 2022-08-14 16:44:44:
450÷100×30=135
450-135=315
Ans: 315
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Ques:- Among P, M, R, T and J, M is older than R and T. J is older than M and is not the oldest. Who is the youngest?
Recent Answer : Added by Admin On 2020-05-17 12:03:35:
( c ) R or T
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Ques:- How many degrees there between the two hands of a clock at 3:15?
Recent Answer : Added by J. Cody Stockwell On 2022-08-14 16:36:03:
The hour hand advances between individual numbers as the minute hand makes a full path around the hour. The hour hand was pointing directly at 3 at 3:00, but at 3:15 it has advanced 1/4 of the way between 3 and 4. The number of degrees between numbers 30 (because 360/12). That gives you 30/4 = 7.5. The number of degrees between the two hands is 7.5 degrees.
Ques:- One pipe ca fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in:
Recent Answer : Added by ajay On 2022-08-14 16:34:12:
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