Ques:- Which of the folowing is not correct
a. (x+y)'=x'.y' b. (x'+y')'=x.y
c. (x'.y')'=x+y d. (x'+y')'=x'.y'
Recent Answer : Added by Mercy On 2022-04-02 07:00:57:
C
Ques:- 9 balls are there one of them is of higher wt and remaining all are of same. given is one weighing scale and you can use it two times. How will you find the heavy ball in two trials only.
Recent Answer : Added by venkatesh On 2021-08-12 06:28:25:
Balls- B1, B2, B3, B4, B5, B6, B7, B8, B9.
Group1 – (B1, B2, B3), Group2 – (B4, B5, B6), Group3 – (B7, B8, B9)
Now weigh any two groups. Group1 on left side of the scale and Group2 on the right side.
When weighing scale tilts left – Group1 has a heavy ball or right – Group2 has a heavy ball or balanced – Group3 has a heavy ball.
Lets assume Group 1 has a heavy ball.
Now weigh any two balls from Group1. B1 on left side of the scale and B2 on right side.
When weighing scale tilts left – B1 is the heavy or tilts right – B2 is the heavy or balanced – B3 is the heavy.
Ques:- Suppose a clock takes 7 seconds to strike 7. How long will it take to strike 10?
Ques:- Describe your yesterday
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 .
Recent Answer : Added by Admin On 2020-05-17 11:59:20:
In 3 hours thinker candle becomes half
In the same time thinner candle becomes one fourth. Now the
required condition is satisfied. So 3 Hours
Ques:- Do you always make decisions on your own without the help of others? In which situations do you seek other?s help for decision-making?
Ques:- A 31″ x 31″ square metal plate needs to be fixed by a carpenter on to a wooden board. The carpenter uses nails all along the edges of the square such that there are 32 nails on each side of the square. Each nail is at the same distance from the neighboring nails. How many nails does the carpenter use?Â
Recent Answer : Added by Steven On 2022-05-17 09:07:34:
124
Ques:- There are some pigeons and hares in a zoo. If heads are counted, there are 200. If legs are counted, there are 580. The number of hares in the zoo is?
Recent Answer : Added by Amelia On 2022-08-24 17:03:31:
X= pigeon
Y= hares
X+Y= 200
2x+4y=580
By solving y= 90
X=110
So Hares= 90
Ques:- Two taps can separately fill a cistern 10 minutes and 15 minutes respectively and when the waste pipe is open, they can together fill it in 18 minutes. The waste pipe can empty the full cistern in?
Ques:- There are 6 couples (12 people). 4 people are selected at random. What is the probability that exactly one couple will be selected ?
Recent Answer : Added by An On 2022-09-15 16:37:14:
Prob(choosing two people who are a couple from 6 couples) = 1/6
We have 5 couple left (10 people)
Prob(choosing a person A from 10 people) = 1/10
Prob(choosing 1 person who is not a couple of A) = 1/8
Prob(choosing 4 people that has exactly one couple) = 1/6*1/8*1/10 = 0.0021
Ques:- Find the missing number on the series 2, 3, 5, 7, 11, …., 17
Recent Answer : Added by shivangi sharma On 2022-08-14 16:42:27:
13 and 15
Ques:- Tell me about ur's favourite place in hyd
Ques:- Which way should the key turn in a car door to unlock it?
Ques:- HOW DID YOU SPENT YOUR LAST DAY
Ques:- In each questions below are given two statements followed by two conclusions numbered I and II. Statements : All film stars are playback singers. All film directors are film stars. Conclusions :
I. All film directors are playback singers. II. Some film stars are film directors.
A. if only conclusion I follows
B. if only conclusion II follows
C. if either conclusion I or II follows
D. if neither conclusion I nor II follows
E. if both conclusions I and II follow
Recent Answer : Added by Anirban Saha On 2022-09-22 16:41:15:
Both conclusion follows
Ques:- Which one of the following is a prime number?
A. 143
B. 221
C. 343
D. 823
Ques:- Five friends M, K, T, P and N are sitting around a circlefacing towards the center. K is sitting between M and P. Nis to the immediate right of M. Who is to the immediateright of T?
Recent Answer : Added by Admin On 2020-05-17 12:03:40:
( b ) P
Ques:- ninety customers of a discount store were asked about their purchases during the past month.20 said they had purchased books,45 had purchased film,38 had purchased jewellery,15 had purchased books and films,8 had purchased books and jewellery,6 had purchased film and jewellery,3 had purchased all the 3 articles.draw a venn diagram and answer the questions how many of these ppl had purchased a)books or films but not jewellery? b)books and film but not jewellery? c)jewellery but not books or films? d)at least one of the three articles? e)exactly one of the three articles?
Ques:- A computer shop consists 3 brands laptop. Laptop of brand A is sold 3/16, B is sold 1/16 and C is sold 3/4 then what fraction is sold by the shop in all.
Recent Answer : Added by jay On 2022-08-14 16:45:19:
Answer: 1 / 3
Lets say each brand had 16 laptops
So Sold : A = 3 , B= 1 and C = 12 , total sold: 16 ,
Since each brand has 16 , total = 48
so 16/ 48 = 1/3 is the sold fraction
Ques:- Describe one of your memorable day?how is education useful for any body?
Ques:- 52 * 40.1 = ?
Ques:- A man leaves office daily at 7:00 pm. A driver with car comes from his home to pick him from office and bring back home. One day he gets free at 5:30 and instead of waiting for driver he starts walking towards home.In the way he meets the car and return home on car. He reaches home 20 min earlier than usual.in how much time does the man reach home usually… ? GIVE THE STEPS PLZ…
Recent Answer : Added by Kalyani On 2022-08-14 16:43:07:
Since the car has met the person 20 minutes beforehand, it has saved 10 mins of a journey
A man has started 1.30 hrs before and the car has met him 10 mins before the actual time, he takes to reach daily is 1hr and 20 mins
Ques:- You have a bag of with ‘N’ number of strings. At random, you pull out a string’s end.You pull out another string end and you tie the two together.You repeat this until there are no loose ends left to pull out of the bag.What is the expected number of loops?
Ques:- If 2x + y = 10 and x = 3, what is x – y
Recent Answer : Added by BRIAN WACHEMBA On 2021-10-12 12:52:53:
X-Y=-1
Ques:- 12.05 x 5.4 ? 0.3 = ?
Recent Answer : Added by Admin On 2020-05-17 12:03:30:
( b ) 216.90
Ques:- X can do a piece of work in 10 days. He works at it for 4 days and then Y finishes it in 9 days. In how many days can X and Y together finish the work?
Ques:- ABOUT MY FAMILY & EDUCATION
Ques:- The diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area?
Recent Answer : Added by Jhanvi Puri On 2021-08-15 03:37:35:
C