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Aptitude

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Home/Ethics/Aptitude/Page 10

Mains Answer Writing Latest Questions

Rajat Gupta
  • 0
Rajat GuptaBegginer
Asked: July 17, 2024In: , , , , , , , , , , , , , , , ,
  • 0

Humans have always been a developing as per their requirements and circumstances offered by nature and situations. They have introduced computers, rockets, energy mining, infrastructure etc. but Is it enough for survival? No. For the further survival humankind have to keep evolving ...

energy resourcehuman developmenthuman resourceindustryinfrastructuremanufactruingmineral resourcesmobilisaton of resourcesresources/sciencescience and technologyspacetechnology
  1. kevinvagadiya
    kevinvagadiya Begginer

    Universal Matter Replication: Imagine a device that can scan and replicate any object at an atomic level. This would revolutionize manufacturing, eliminating waste and creating anything on demand. Food scarcity, resource limitations, and dependence on complex supply chains could become relics of theRead more

    • Universal Matter Replication: Imagine a device that can scan and replicate any object at an atomic level. This would revolutionize manufacturing, eliminating waste and creating anything on demand. Food scarcity, resource limitations, and dependence on complex supply chains could become relics of the past. Shelter, clothing, and even complex tools could be readily available, fundamentally changing how we live and interact with the world.

    • Advanced Brain-Computer Interfaces (BCIs): A seamless interface between the human brain and computers could unlock unimaginable potential. Imagine controlling technology with thought, directly accessing and storing information in the brain, or even enhancing our cognitive abilities. This could revolutionize education, communication, and scientific exploration. However, ethical considerations regarding privacy and human augmentation would need to be carefully addressed.

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ABC
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ABCBegginer
Asked: July 17, 2024In:
  • 0

In how many different ways, 2 Mathematics, 4 Economics and 6 History books can be selected from 7 Mathematics, 10 Economics and 9 History books?

  1. DEEKSHITH SRIPADHI
    DEEKSHITH SRIPADHI Begginer

    To solve this problem, we can use the combination formula, which is: C(n, k) = n! / (k! * (n - k)!) Where n is the total number of items to choose from, and k is the number of items to choose. In this case, we have 7 Mathematics books, 10 Economics books, and 9 History books to choose from. We needRead more

    To solve this problem, we can use the combination formula, which is:

    C(n, k) = n! / (k! * (n – k)!)

    Where n is the total number of items to choose from, and k is the number of items to choose.

    In this case, we have 7 Mathematics books, 10 Economics books, and 9 History books to choose from. We need to select 2 Mathematics books, 4 Economics books, and 6 History books.

    So, the total number of ways to select the books is:

    C(7, 2) * C(10, 4) * C(9, 6) = (7! / (2! * (7 – 2)!)) * (10! / (4! * (10 – 4)!)) * (9! / (6! * (9 – 6)!))

    This simplifies to:

    (7 * 6 / (2 * 1)) * (10 * 9 * 87 / (4 * 3 * 2 * 1)) * (9 * 8 * 7 * 6 * 5 * 4 / (6 * 5 * 4 * 3 * 2 * 1))

    This simplifies further to:

    21 * 1260 * 60480 = 1,764,480

    Therefore, there are 1,764,480 different ways to select 2 Mathematics books, 4 Economics books, and 6 History books from the given sets of books.

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Samaira Jain
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Samaira JainBegginer
Asked: July 17, 2024In: , ,
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Is competition necessary for education purposes?

question
  1. SAM
    SAM Begginer

    Competition can play a massive role in education, fostering motivation and inspiring college students to attempt for excellence. It often pushes novices to enhance their capabilities, develop resilience, and beautify essential thinking as they engage with peers. Healthy competition can create a stimRead more

    Competition can play a massive role in education, fostering motivation and inspiring college students to attempt for excellence. It often pushes novices to enhance their capabilities, develop resilience, and beautify essential thinking as they engage with peers. Healthy competition can create a stimulating surroundings that promotes engagement and active participation in gaining knowledge of.

    However, opposition is not universally vital. Some academic philosophies emphasize collaboration over competition, highlighting the importance of teamwork and collective success. In those contexts, cooperative learning can cause deeper expertise and shared achievements, nurturing social abilities and emotional intelligence.

    Moreover, excessive opposition can lead to pressure, tension, and a slender awareness on grades rather than holistic learning. It might discourage students who battle to compete efficiently, potentially stifling creativity and curiosity.

    In end, at the same time as competition can motivate and pressure educational achievement, a balanced method that consists of collaborative and supportive getting to know environments often yields greater comprehensive academic advantages. Ultimately, the best academic strategies may also contain a blend of opposition and collaboration, tailor-made to the wishes of students and the desires of the instructional institution.

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Akshara goyal
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Poll
Akshara goyalBegginer
Asked: July 17, 2024In:
  • 0

poll
  1. Sujeet Mehrotra_
    Sujeet Mehrotra_ Scholar Social Reformer

    F

    F

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LOHIT MISHRA
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LOHIT MISHRABegginer
Asked: July 16, 2024In:
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In a certain code language, the word “PROBLEM” is written as “ROPELBM”. How will the word “DIFFICULT” be written in that same code?

aptitudemathquestion
  1. mhk saini
    mhk saini Learner

    The word PROBLEM is rearrange in ROPELBM IN THIS FORMAT BY Arranging places with their neighbours letters P-R R-O O-P B-E L-L E-B M-M Applying same to difficult D-I I-D F-F F-I I-F C-C U-C L-L T-T  

    The word PROBLEM is rearrange in ROPELBM IN THIS FORMAT

    BY Arranging places with their neighbours letters

    P-R

    R-O

    O-P

    B-E

    L-L

    E-B

    M-M

    Applying same to difficult

    D-I

    I-D

    F-F

    F-I

    I-F

    C-C

    U-C

    L-L

    T-T

     

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LOHIT MISHRA
  • 0
LOHIT MISHRABegginer
Asked: July 16, 2024In:
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A tank has two pipes. Pipe A can fill the tank in 6 hours, and Pipe B can fill the tank in 8 hours. There is also a third pipe, Pipe C, which can empty the tank in 12 hours. ...

aptitudemathquestion
  1. ANOOP RAJESH MUNDAYOOR
    ANOOP RAJESH MUNDAYOOR Begginer

    The point to be noted is that pipe A and B are used for filling the tank whereas pipe C empties the water.So we will take the time taken by pipe C in negative. It has been in the question that pipe A fills the tank in 6hours and pipe B fills the tank in 8 hour.Pipe C fills the tank in -12hours(SinceRead more

    The point to be noted is that pipe A and B are used for filling the tank whereas pipe C empties the water.So we will take the time taken by pipe C in negative.

    It has been in the question that pipe A fills the tank in 6hours and pipe B fills the tank in 8 hour.Pipe C fills the tank in -12hours(Since it empties the tank in 12 hours)

    Tank A takes 6 hours So it will fill 1/6th  of tank in 1 hour.Similarly Tank B will fill 1/8th of tank in 1 hour whereas Tank B will empty 1/12th of tank.

    So after one hour:-

    1/6+1/8-1/12=

    (We will take L.C.M for 6,8,12 which is 24)

    (4+3-2)/24=5/24.

    So after one hour 5/24th of the tank will be filled. Since it is in the fraction 5/24, let us assume  that capacity of tank is 24 litres and 5 litre is increased every hour.

    So within 4 hours 20 litres will be filled into the tank.Time taken for the remaining 4 litres will be 4/5×60(we Multiply be 60 to convert into minutes).So it will take 48 minutes.

    So the whole tank will get filled in 4 hour and 48 minutes or 60×4+48=288 minutes

    The final answer is 4 hours and 48 minutes.

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LOHIT MISHRA
  • 0
LOHIT MISHRABegginer
Asked: July 16, 2024In:
  • 0

A man is looking at a photograph of someone. His friend asks who it is. The man replies: “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who is in the photograph?

aptitudemathsquestion
  1. mhk saini
    mhk saini Learner

    His son Man have no siblings and he yalked about father son that was him. He was the only son of that man . The man in photograph is his father

    His son

    Man have no siblings and he yalked about father son that was him. He was the only son of that man . The man in photograph is his father

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Anonymous
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Anonymous
Asked: July 16, 2024In:
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Ratio of ages of A and B, 4 years later is 8:9 respectively. If average of present ages of A & B is 47 years, then find difference in present ages of A & B.

age problemmaths problemquestions
  1. SAMIRAN PAL
    SAMIRAN PAL Begginer

    Step 1: Define Variables Based on Ratio Let the present ages of A and B be AA and BB. Four years later, the ages of A and B will be A+4 and B + 4B+4, respectively. The given ratio 4 years later is 8:9. Let A + 4 = 8xA+4=8x and B+4=9x for some value xx. Step 2: Express Present Ages in Terms of xx  ARead more

    Step 1: Define Variables Based on Ratio

    • Let the present ages of A and B be AA and BB.
    • Four years later, the ages of A and B will be A+4 and B + 4B+4, respectively.
    • The given ratio 4 years later is 8:9.
    • Let A + 4 = 8xA+4=8x and B+4=9x for some value xx.

    Step 2: Express Present Ages in Terms of xx

    •  A = 8x – 4A=8x−4
    •  B=9x−4

    Step 3: Use Average Age Information

    • The average of the present ages of A and B is 47 years:

    A+B2=47\frac{A + B}{2} = 47 

    ⇒ A+B=94A + B = 94 

    Step 4: Substitute Present Ages into the Average Age Equation

    • Substitute A=8x−4 and  B=9x−4 into  A+B=94:
      •   (8x−4)+(9x−4)=94
        ⇒  17x−8=94
        ⇒  17x=102
        ⇒ x=6

    Step 5: Calculate Present Ages and Difference

    • Substitute x back to find present ages:
      • A=8x−4=8(6)−4=48−4=44
        B=9x−4=9(6)−4=54−4=50
      • The difference in present ages of A and B is:  B−A=50−44=6

    The difference in present ages of A and B is 6 years.

     

    .
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