Ques:- A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Recent Answer : Added by Mukesh On 2022-08-14 18:02:46:
Put switch 1 on and leave it on for 2 minutes, then switch it off.
Put switch 2 on and leave it on, then walk into the room.
If the light is on, the answer is switch 2.
If the light is off but the bulb is warm when you feel it, the answer is switch 1.
If the light is off and the bulb is cold when you feel it, the answer is switch 3.
Ques:- How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?
Recent Answer : Added by AP On 2023-03-15 12:25:11:
Total distance to cover = 132 +110 = 242m
Speed = 72kn/hr = 20m/s
time = 242/20 = 12.1 sec.
Ques:- Out of 80 coins, one is counterfeit. What is the minimum number of weighings needed to find out the counterfeit coin?
Recent Answer : Added by Keagan Jagers On 2022-08-14 16:31:15:
79
Ques:- if ELECTRICITY – GAS =100 then JACK – JILL = ?
Recent Answer : Added by Admin On 2020-05-17 11:59:51:
The ans is -20.
Solution:
A-1
B-2
C-3 D-4 …like wise till Z-26.
ELECTRICITY-5+12+5+3+20+18+9+3+9+20+25==129
GAS-7+1+9==27
ELECTRICITY-GAS=129-27-(Minus 2)=100
so
JACK-JILL=(10+1+3+11-(10+9+12+12)-(minus(2))==(-20)
Ques:- If you are selected, what will you do for your company?
Ques:- Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
Ques:- A started a business with an investment of Rs. 70000 and after 6 months B joined him investing Rs. 120000. If the profit at the end of a year is Rs. 52000, then the share of B is?
Recent Answer : Added by Abi On 2021-07-19 18:31:47:
24000
Ques:- Is it possible to view the contents of my laptop on my tv and if so, how do I do it?
Recent Answer : Added by Geoffrey On 2022-09-15 16:35:49:
Yes, it is possible by using a HDMI cable
Ques:- Education qualification
Ques:- For cascaded 1800 BTS with master 900 BTS,if 900 master BTS is down for its own equipment fault,cascaded slave 1800 BTS gets down/stop carrying traffic without any fault as BCCH and other controllong channels are in master 900 BTS.Is there any technology/
Recent Answer : Added by DK BOSS On 2021-07-30 16:26:20:
Might be using dual E1 in that case will be much more helpful.
Ques:- The number of prime numbers between 0 and 50 is
A. 14
B. 15
C. 16
D. 17
Recent Answer : Added by narendra On 2022-09-18 09:02:10:
b
Ques:- Where do i stay at howrah or kolkata?
Ques:- What would you do if a fellow executive on your own corporate level wasn?t pulling his/her weight?and this was hurting your department?
Ques:- The present ages of three persons are in proportions 4:7:9. Eight years ago, the sum of their ages was 56. Find their present ages.
Recent Answer : Added by PRAthAM On 2022-08-14 16:34:21:
16, 28, 36
Ques:- When your credibility is compromised, what steps do you take to rectify the situation?
Ques:- If a number is subtracted from its square we get 272. Find the number?
Recent Answer : Added by Lucky Sithole On 2022-03-09 16:37:45:
X×x-x=272
X^2-x-272=0
(X-16) or (x-17)
X=16 or x=17
17^2-17=272
Answer Is 17
Ques:- Knowledge of geographical area
Ques:- In what ways do you use math in your daily life?
Ques:- 40.83 x 1.02 x 1.2 = ?
Recent Answer : Added by Gowtham On 2022-09-15 16:37:20:
There should be 5(2+2+1) decimal places in the answer and the decimal place should end with 2(3*2*2=12) so the correct answer is a, no need for calculator. You can rule out all the other options because it does not satisfy this condition.
Ques:- WHY DO YOU WANT TO LEAVE YOUR PRESENT JOB?
Ques:- Anil can do a work in 15 days while Sunil can do it in 25 days. How long will they take if both work together?
Recent Answer : Added by ANKUR SHARMA On 2022-09-02 17:03:04:
75/8 days
Ques:- Two cars are 15 kms apart. One is turning at a speed of 50kmph and the other at 40kmph . How much time will it take for the two cars to meet?
Recent Answer : Added by Yogi On 2021-02-11 16:42:58:
1.5 hr
Ques:- Find out the wrong number in each sequence: 1, 8, 27, 64, 124, 216, 343
A. 8
B. 27
C. 64
D. 124
Recent Answer : Added by Shweta Gupta On 2022-09-02 17:03:08:
Answer is 124 because in this series is cube root sequence 2 cube root is 8 ,3 cube root is 24,4 cube root is 64, 5 cube root is 125 but there is 124 which is wrong ,6 cube root is 216 ,7 cube root is 343 .
Ques:- Two computers each produced 48000 public utility bills in a day. One computer printed bills at the rate of 9600 an hour and the other at the rate of 7800 an hour. When the first computer finished its run, how many bills did the other computer still have to print?
Recent Answer : Added by vinita On 2022-08-14 16:33:14:
9000
Ques:- In a certain department store, which has four sizes of a specific shirt, there are 1/3 as many small shirts as medium shirts, and 1/2 as many large shirts as small shirts. If there are as many x-large shirts as large shirts, what percent of the shirts in the store are medium?
Ques:- What is debenture?
Ques:- Ram sold two bicycles, each for Rs.990. If he made 10% profit on the first and 10% loss on the second, what is the total cost of both bicycles?
Ques:- Why are not you earning more money at this stage of your career?
Ques:- What is the value of (p-1)3 when p=15/18+5/16-20/24?
Recent Answer : Added by Admin On 2020-05-17 12:03:16:
p=5/6+5/16-5/6
both 5/6’s get cancelled.
so, p=5/16
p=0.3125, therefore (p-1)3 value is (0.3125-1)3= -0.6875*3
=-2.0625.
Ques:- How long would you expect to work for us if hired?
Put switch 1 on and leave it on for 2 minutes, then switch it off.
Put switch 2 on and leave it on, then walk into the room.
If the light is on, the answer is switch 2.
If the light is off but the bulb is warm when you feel it, the answer is switch 1.
If the light is off and the bulb is cold when you feel it, the answer is switch 3.