Ques:- 10 books are placed at random in a shelf. The probability that a pair of books will always be together is -.
Recent Answer : Added by Mahomed On 2021-08-24 15:05:46:
All books can be arranged in 10! ways. A single pair of books can be taken as a unit and arranged among the 8 others in 9! ways. The pair of books can also be interchanged and therefore rearranged in 2! ways. Thus the probability of the pair always being together is (9!*2!)/10!
Ques:- If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the greatest no?
Recent Answer : Added by Admin On 2020-05-17 12:01:46:
let the third no be x ,
then the first no is 3x ,
second no is 2*3x ie 6x
average is (3x+6x+x )/3 = 20
10x/3 = 20
x= 60/10 = 6
third no is 6 , second is 6x = 36, first no is 3x = 18
largest no is 36 i.e second no
Ques:- 3 persons started placementpapers with a capital of Rs.3000 . B invest Rs.600 less than A, C invest Rs.300 less than B. Then what is the share amount of B in a profit of Rs.886 ?
Recent Answer : Added by Admin On 2020-05-17 12:04:24:
Rs.265.80
Ques:- If you won a Rs.10-crore lottery, would you still work?
Ques:- How will you measure surface temperature of SUN?
Ques:- Find the missing number of the series 0, 1, 8, 27, 64, ….. ?
Recent Answer : Added by sindhu On 2020-12-11 16:37:22:
125
Ques:- About Personal Background
Ques:- A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?
Recent Answer : Added by bruce On 2021-05-06 12:41:06:
I think –
1750 / 7 Years = 250
250 * 2% = 5
5 * 7 Years = 35
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Ques:- Is there anything I haven’t told you about the job or company that you would like to know?
Ques:- IF U GET A REBIRTH WHAT WOULD U LIKE TO BE
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:- What is your long-term employment or career objective?
Ques:- The cost price of a radio is Rs.1500 and it was sold for Rs.1230, find the loss %?
Ques:- A can copy 50 papers in 10 hours while both A & B can copy 70 papers in 10 hours. Then for how many hours required for B to copy 26 papers?
Recent Answer : Added by Admin On 2020-05-17 12:04:30:
A can copy 50 papers in 10 hrs
that means 5 papers in 1 hour
A & B can copy 70 papers in 10 hrs
that means both of them copy 7 papers in 1hour
we know A can copy 5 papers
there fore B can copy 2papers in 1 hour
so B can copu 26 papers in x hours
2*x=26
x=26/2=13 hours
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:- What is personally fascinating about the areas of your job in which you wish to expand your knowledge?
Ques:- Find out the wrong number in each sequence:
1, 2, 6, 15, 31, 56, 91
A. 15
B. 31
C. 56
D. 91
Recent Answer : Added by Emmanuel On 2022-05-17 09:08:51:
91
Ques:- Express a speed of 36 kmph in meters per second?
Recent Answer : Added by Anjum Parveen On 2022-03-09 16:31:40:
s=36kmph
in meter per second is=36*5/18=>10
Ques:- What do you enjoy most about working here?
Ques:- The profit made by a company in one year is enough to give 6% return on all shares. But as the preferred shares get on return of 7.5%, so the ordinary shares got on return of 5%. If the value of preferred shares is Rs 4,000000, then what is the va…
Ques:- Describe to me in detail a time when you took the initiative in a major project.
Ques:- How is my grandmother’s only child’s husband’s mother related to me ?
Recent Answer : Added by Maha On 2022-08-14 16:32:29:
Paternal Grandmother
Ques:- Any Recent Movie you Saw Tell Me Story in Short ?
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