Ques:- From 5 litres of a 20% solution of alcohol in water, 2 litres of solution is taken out and 2 litres of water is added to it. Find the strength of alcohol in the news solution.
A. 10%
B. 12%
C. 15%
D. 18%
Recent Answer : Added by Mohammad On 2022-11-18 16:03:05:
In 5liter alchol is 20%
In 1liter alchol is0.2÷5=0.04liter
Taken out 2liter solution =3liter solution
Alchol present 3×0.04=0.12liter
7liter water alhol present=0.12liter
12%
Ques:- The radius of a cylindrical vessel is 7cm and height is 3cm. Find the whole surface of the cylinder?
Recent Answer : Added by Pavan On 2021-10-12 12:52:36:
2* pi* r ( h + r )
r=3cm
h=7cm
2 * 22/7 *7 ( 10 ) = 440 sq cm
Ques:- In 1978, a kg of paper was sold at Rs25/-. I f the paper rate increases at 1.5% more than inflation rate which is of 6.5% a year , then what wil be the cost of a kg of paper after 2 years? a)29.12 (b) 29.72 (c) 30.12 (d) 32.65 (e) none of these
Recent Answer : Added by Admin On 2020-05-17 12:00:04:
(a) 29.12 (actual)
first year rate of paper (inflation rate) : 25 + 25 *
6.5/100 = 26.625
paper rate in first year is 1.5 % more . ..thr4
inflated cost in 1 yr = 26.625 + 1.5 / 100 * 26.625 =
27.024.
second year : 27.024 + 27.024 * 6.5 / 100 = 28.78
paper cost : 1.5 /100 * 28.78 + 28.78 = 29.12 ( approx..)
Ques:- In an examination a student must answer 65% of the questions correctly. But it was found that after answer 7 questions corretly out of the first 14, the student qualified. What is the min no. of questions in the paper.
A. 22
B. 18
C. 20
D. Can't say
Recent Answer : Added by Admin On 2022-09-28 18:13:12:
C. 20
Ques:- About hostel & my college
Ques:- Manisha ranked sixteenth from the top and twenty ninth from the bottom among those who passed an examination. Six boys did not participate in the competition and five failed in it. How many boys were there in the class ?
Recent Answer : Added by Abi On 2021-07-19 18:31:43:
Total 55
Manisha is a girl name so 54 boys
1 girl
Ques:- Market is running in a big slum,What you can do at your best to recover it?
Ques:- Willing to work on weekends
Ques:- Why you have taken this many attempts to finish CA?
Ques:- During a trip to a wildlife safari, 29 tourists clicked photographs of tigers, 21 clicked photos of elephants, 26
clicked photos of deer; 14 clicked photos of elephants and deer, 12 clicked photos of tigers and elephants, 15 clicked photos of deer and tigers, and 8 clicked photos of all the three animals. Each tourist took at least one photograph.
1. How many tourists went to the wildlife safari?
2. How many tourists clicked photographs of tigers only?
Recent Answer : Added by mohammed suhail On 2022-03-09 16:39:25:
1. 43 venn diagram
2. 10 using venn diagram
done it roughly chances of having wrong are their..thank u.
Ques:- What would u do, if u become a prime minister of urcountry for six months
Ques:- What’s ur dream for your career?
Ques:- When the hr ask us tell me some thing about you then what should we include in what not plz help me by giving some examples.
Ques:- If a car starts from A towards B with some velocity.Due to some problem in the engine after travelling 30km, the car goes with 4/5 th of its actual velocity The car reaches B 45 min later to the actual time.If the car engine fails ofter travelling 45km, the car reaches the destination B 36min late to the actual time .What is the initial velocity of car and what is the distance between A and B in km ?
Ques:- Embarrassing day in your life?
Ques:- If you are fresher and come to learn over here, then why i should pay to you?
Ques:- What characteristics are most important in a good manager?
Ques:- Do you need to make your attitude more positive when marketing yourself and your ideas to others?
Ques:- The average of five results is 46 and that of the first four is 45. The fifth result is?
Recent Answer : Added by Lani On 2021-09-28 17:28:16:
x- sum of first 4 values
y – 5th value
x/4 = 45
x=45*4=180
(x+y)/5 = 46
(180+y)/5=46
180+y=230
y=50
Ques:- In what kind of work environment are you most comfortable?
Ques:- ABOUT my drawings and my personal life and about few technical terms and about any criminal records and etc etc tests
Ques:- Two candles of equal lengths and of different thickness are there. The thicker one will last of six hours. The thinner 2 hours less than the thicker one. Ramesh light the two candles at the same time. When he went to bed he saw the thicker one is twice the length of the thinner one. For how long did Ramesh lit two candles ?please describe full description
Recent Answer : Added by nandy On 2022-10-17 15:57:45:
2hrs
Ques:- Find out the wrong number in a given series.
2, 6, 12, 72, 824
A. 6
B. 12
C. 72
D. 824
Recent Answer : Added by M.Ajith On 2022-09-15 16:38:44:
2
6*2=12
12*6=72
72*12=864
Ques:- Tell me something about you, your qualification.
Ques:- A person was asked to state his age in years. His reply was, “Take my age three years hence, multiply it by 3 and then subtract three times my age three years ago and you will know how old I am.” What was the age of the person?
Ques:- A new apartment complex purchased 60 toilets and 20 shower heads. If the price of a toilet is three times the price of a shower head, what percent of the total cost was the cost of all the shower heads?
Recent Answer : Added by Abhishek Chabri On 2022-10-08 07:25:39:
10%
Ques:- The present average age of a family of five members is 26 years. If the present age of the youngest member in the family is ten years, then what was the average age of the family at the time of the birth of the youngest member ? (Assume no death occurred in the family since the birth of the youngest)
Ques:- Sachin is younger than Rahul by 4 years. If their ages are in the respective ratio of 7:9, how old is Sachin?
Recent Answer : Added by Davide On 2021-08-10 09:39:24:
Sachin is 14 years old whereas Rahu is 18 years old.
In 5liter alchol is 20%
In 1liter alchol is0.2÷5=0.04liter
Taken out 2liter solution =3liter solution
Alchol present 3×0.04=0.12liter
7liter water alhol present=0.12liter
12%