Ques:- The average weight of a group of boys is 30 kg. After a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. Find the number of boys in the group originally ?
Recent Answer : Added by Vivek verma On 2021-08-25 14:15:38:
let no of boys in group is = x
then total sum = 30 * x
after joining one more boys with a weight of 35 kg the total sum is = 30x + 35
after joining the new student the weight will increase 1 kg
so total sum
30x + 35 = 31(x+1)
x = 4
Ques:- There are 4 cars . They all are coming from different directions. They have to cross through one square.They all arrive at the same time. Nobody stops . still there is no clash .note : They all are driving at a speed if 100 km/hr.
Ques:- Two trains 121 meters and 165 meters in length respectively are running in opposite directions, one at the rate of 80 km and the other at the rate of 65 kmph. In what time will they be completely clear of each other from the moment they meet?
Ques:- A train passes a station platform in 36 sec and a man standing on the platform in 20 sec. If the speed of the train is 54 km/hr. What is the length of the platform?
Recent Answer : Added by train On 2021-08-31 15:11:14:
240 m
Ques:- In a knockout tournament 51 teams participated. A team is out if the tournament if the team lost twice. How many matches to be held to choose the winner?
Recent Answer : Added by DK BOSS On 2021-07-17 06:18:22:
ans : 101 bcoz after every two matches one team is eliminated…so to eliminate 50 team there will be require 100 matches…+ 1 for deciding winner…
Ques:- Can u make 120 with 5 zero?
Recent Answer : Added by Admin On 2022-09-28 18:57:03:
(0! + 0! + 0! + 0! + 0!)! = 120
Here ‘!’ symbol is used for factorial.
And 0! = 1
= (0! + 0! + 0! + 0! + 0!)!
= (1 + 1 + 1 + 1 + 1)!
= 5!
= 120
Ques:- What is your greatest achievement till date?
Recent Answer : Added by John John Mbilao On 2022-04-02 07:00:08:
My greatest achievement is to avoid Giving up since it made me who l am today and l am able to walk fearless towards achieving my goals.
Ques:- A rectangular plank (2)1/2 meters wide can be placed so that it is on either side of the diagonal of a square shown below.(Figure is not available)What is the area of the plank?
Ques:- Rs.8000 become Rs.9261 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?
Ques:- can anybody solve this series 0,6,24,60,120,210,?,? please give answer with the solution
Recent Answer : Added by m On 2022-09-28 17:42:51:
copy cat
Ques:- What popular journal did C. V. Riley and B. D. Walsh begin in 1868?
Ques:- A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective?
Ques:- If an item costs Rs.3 in '99 and Rs.203 in '00.What is the % increase in price?
Ques:- The G.C.D. of two whole numbers is 5 and their LCM is 60. If one of the number is 20, then the other number would be
A. 13
B. 15
C. 16
D. 25
Recent Answer : Added by Shravani Annameni On 2022-08-14 16:33:23:
Ques:- A Roman was born the first day of the 35th year before Christ and died the first day of the 35th year after Christ. How many years did he live?
Recent Answer : Added by Aditya Arunrao Khaparkar On 2021-09-23 15:56:05:
A Roman was born the first day of the 35th year before Christ means before the start of year 0, 35 years has been past and died the first day of the 35th year after Christ means 35th year is about to start at his death so only 34 years has been completed so total years = 69
Ques:- if a ball is dropped from 8 meter and it bounce back half the distance then what is the distance it travel before going to rest?
Recent Answer : Added by Admin On 2020-05-17 12:03:13:
to reach land
first time it travels 8 mtrs
next time (half=4) 4+4 mtrs (up&down)
next time (half=4) 2+2 mtrs (up&down)
next time (half=4) 1+1 mtrs (up&down)
and so on.
Altogether,close to 24 mtrs.
Ques:- Tell me something about you, your qualification.
Ques:- what are you know about our company
Ques:- A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is running at a speed of 60 kmph. In what time will the train cross a bridge 1.5 km long?
Recent Answer : Added by Raj On 2022-01-08 16:05:26:
3 min
Ques:- What r u left ur curently job?
Ques:- Give me 5 strong & weak points of yours
Ques:- A ship started from port and moving with I miles per hour and another ship started from L and moving with H miles per hour. At which place these two ships meet?
Ques:- Are you comfortable with this job?
Ques:- It’s 2PM on a sunny Sunday afternoon in the Bay Area. You’re minutes from the Pacific Ocean, redwood forest hiking trails and world class cultural attractions. What do you do?
Recent Answer : Added by Mohammed Ibrahim On 2021-11-18 17:16:20:
I’m gonna chill in the bay area, who would want to drive up till the ocean?
Ques:- Which one of the following animals stores water in the intestine?
A. Moloch
B. Uromastix
C. Zebra
D. Camel
Recent Answer : Added by Racer On 2021-03-31 15:32:33:
Camel is the answer
Camel can store water for many days or months in there intestines
Ques:- There are so many big companies like Reliance, Satyam,Infosys etc…But, y do u want to work for our company only?
Ques:- In one hour a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still water is?
Recent Answer : Added by shivam kannojiya On 2021-01-05 15:58:19:
8
Ques:- Given a dart board of radius `r’, and if a dart is thrown on the board which always falls inside assuming uniform distribution, find the expected distance from the center for the point where the dart lands.
Ques:- A train takes 9 sec to cross a pole. If the speed of the train is 48 kmph, then length of the train is
A. 80 m
B. 90 m
C. 120 m
D. 150 m
Recent Answer : Added by Ankit Bhikonde On 2022-09-21 17:57:43:
let no of boys in group is = x
then total sum = 30 * x
after joining one more boys with a weight of 35 kg the total sum is = 30x + 35
after joining the new student the weight will increase 1 kg
so total sum
30x + 35 = 31(x+1)
x = 4