Ques:- Mr. T has a wrong weighing pan. One arm is lengthier than other. 1 kilogram on left balances 8 melons on right. 1 kilogram on right balances 2 melons on left. If all melons are equal in weight,what is the weight of a single melon?
Recent Answer : Added by samarth khare On 2021-06-23 17:56:06:
Suppose the lengthier arm of weighing pan is of x cm and other arm is y cm .Also let weight if each melon be m kg.
so applying equilibrium of torque principles ,we get
case 1:-
1x-8my=0
case 2:-
2mx-1y=0
using case 1 equation , we substitute value of x into case 2 equation;
16mmy-1y=0
(16mm-1)y=0
y is length of weighing arm and cannot be 0,
therefore ,
16mm-1 =0
16mm=1
mm=1/16
m= square root (1/16)
m=+-1/4
m is weight of melon and cant be negative.
Hence m, weight of one melon is 1/4 kg
Ques:- A bakery opened with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon and 60% of the remaining rolls were sold between noon and closing time. How many dozen rolls were left unsold?
A. 6
B. 7
C. 8
D. 10
Recent Answer : Added by Bhuvnesh Jain On 2022-01-16 17:16:55:
8
Ques:- If you had an infinite supply of water and a 5 quart and 3 quart pail, how would you measure exactly 4 quarts?
Recent Answer : Added by Admin On 2020-05-17 12:01:39:
first fill 3quart pail and pour in 5quart pail.fill again 3
quart pail and fill remaining 2 quarts in 5 quart
pail.hence 1 quart remains in 3quart pail.empty 5quart pail
and pour 1 quart from 3 quart pail. also add another 3
quart from 3 quart pail. hence 1 + 3 quarts = 4 quarts.
Ques:- X and Y invests Rs.3000 and Rs.4000 respectively in a business. If X doubles his capital after 6 months. In what ratio should X and Y divide that year’s profit?
Ques:- In the following figure: A D B G E C FEach of the seven digits from 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 is: a)Represented by a different letter in the figure above. b)Positioned in the figure above so that A*B*C,B*G*E, and D*E*F are equal.Which digit does G represent?
Ques:- Which of the following states has the maximum populationbelow the poverty line?(1) Bihar(2) Orissa(3) Uttar Pradesh(4) Madhya Pradesh
Ques:- 'A' has a lock and its key. 'B' has a and its key. A needs to send a letter to B in a Box. How do they do it if they don't want to share their keys with each other?
Ques:- Radius of sphere is increased by 50%. By how much percentage is surface area is increased?
Recent Answer : Added by Admin On 2020-05-17 11:59:36:
let original radius=100
original surface area lets say it x =4 * (22/7) * 100 *100
new radius=100 + 50% of 100=150
new surface area lets say it y = 4 * (22/7)* 150* 150
increase in surface area=((y-x)/x) * 100
i.e.
((4*(22/7)*150*150 – 4*(22/7)*100 *100) / (4*(22/7)*100*100))*100
=125
so the answer is 125%.
hope this helps you.
Ques:- Evaluate x from the the equation : 6x – 27 + 3x = 4 + 9 – x
Recent Answer : Added by Krishan Kumar On 2022-07-04 12:50:00:
4
Ques:- There are 6561 balls out of them 1 is heavy. Find the minimum number of times the balls have to be weighed for finding out the heavy ball.
Recent Answer : Added by divyansh On 2021-09-22 16:55:55:
Answer=8
Ques:- A dishonest dealer professes to sell goods at the cost price but uses a false weight and gains 25%. Find his false weight age?
Ques:- What are the soft skills training?
Ques:- a merchant surveyed 400 ppl.180 learned abt the sale of radio,190 from TV,190 from newspaper,80 from radio and TV,90 from radio and newspapers,50 from TV and newspapers,30 from all the three sources.draw a venn diagram n explain how many learnt
A. newspapers or radio, but not from both?
B. only from newspapaers?
C. from radio or television but not the newspaper?
D. from radio and television but not the newspaper?
E. from atleast two of the three media?
Ques:- In what kind of work environment are you most comfortable?
Ques:- The true discount on Rs. 2562 due 4 months hence is Rs. 122. What is the rate percent?
Ques:- WHAT MOTIVATES YOU TO WORK
Ques:- How many years expirence in administration
Ques:- What are your biggest achievements till date?
Ques:- Why you looking for the job now?
Ques:- The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 5 years hence?
Recent Answer : Added by OLUCHI Perpetual Ndimkaoha On 2022-09-22 16:40:12:
24
Ques:- If I walk at 3 kmph, I miss the train by 2 min, if however, I walk at 4 kmph. I reach the station 2 min before the arrival of the train. How far do I walk to reach the station?
Recent Answer : Added by Admin On 2022-09-29 16:36:42:
answer :
Let the distance which I walk to the station be x km Then Time needed to reach the station at 3 km/hr = (3x+602) hrs and
Time needed to reach the station at 4 km/hr = (4x+602) hrs But 3x+301=4x−301⇒3x−4x=−302=151
⇒124x−3x=151⇒12x=151⇒x=1512=54 km
Ques:- If employed, how do you manage time for interviews?
Ques:- A and B do a work with 5 days, A and C in 6 days, B and C in 20 days.If A do alone how many days it will take?
Recent Answer : Added by vinita On 2022-08-14 16:32:01:
8 days
Ques:- List the steps you would take in building up a team?
Recent Answer : Added by Shreya On 2022-04-02 06:59:33:
Collective performance
Postive attitude towards working
Shaping team player
Turning individuals into team players
Ques:- Do you know what is your job profile?
Ques:- The average of 10 numbers is 23. If each number is increased by 4, what will the new average be?
Recent Answer : Added by Rajeswari Suresh On 2021-10-10 19:03:42:
avg of 10nos.=23==>23*10=230
if each no increased by 4 ==> 4*10=40
then new avg is giveen by : 230+40=270
270/10=27
hence the new avg =27
Ques:- Three friends divided some bullets equally. After all of them shot 4 bullets the total number of bullets remaining is equal to the bullets each had after division. Find the original number divided?
Recent Answer : Added by Admin On 2020-05-17 12:01:02:
Ans =18
Explanation:
Assume that initial there were 3*X bullets.
So they got X bullets each after division.
All of them shot 4 bullets. So now they have (X – 4)
bullets each.
But it is given that,after they shot 4 bullets each, total
number of bullets remaining is equal to the bullets each
had after division i.e. X
Therefore, the equation is
3 * (X – 4) = X
3 * X – 12 = X
2 * X = 12
X = 6
Therefore the total bullets before division is = 3 * X = 18
Ques:- Current General Knowledge
Ques:- A sum of money becomes double itself in 8 years at simple interest. How many times will it become 10 years at the same rate?
Recent Answer : Added by Anonymous On 2021-08-11 07:22:43:
Suppose the lengthier arm of weighing pan is of x cm and other arm is y cm .Also let weight if each melon be m kg.
so applying equilibrium of torque principles ,we get
case 1:-
1x-8my=0
case 2:-
2mx-1y=0
using case 1 equation , we substitute value of x into case 2 equation;
16mmy-1y=0
(16mm-1)y=0
y is length of weighing arm and cannot be 0,
therefore ,
16mm-1 =0
16mm=1
mm=1/16
m= square root (1/16)
m=+-1/4
m is weight of melon and cant be negative.
Hence m, weight of one melon is 1/4 kg