Practice Question and Answer

Q:

рдСрдкреНрдЯрд┐рдХ рдлрд╛рдЗрдмрд░ рдХрд╛ рдЙрдкрдпреЛрдЧ рдореБрдЦреНрдпрддрдГ рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХрд┐рд╕рдХреЗ рд▓рд┐рдП рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИ?

2360 0

  • 1
    рд╕рдВрдЪрд╛рд░
    Correct
    Wrong
  • 2
    рдмреБрдирд╛рдИ
    Correct
    Wrong
  • 3
    рд╕рдВрдЧреАрдд рд╡рд╛рджреНрдпрдпрдВрддреНрд░
    Correct
    Wrong
  • 4
    рдЦрд╛рджреНрдп рдЙрджреНрдпреЛрдЧ
    Correct
    Wrong
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Answer : 1. "рд╕рдВрдЪрд╛рд░"

Q: Which two atoms form an ionic bond? 2360 0

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Answer :
Explanation :

Ionic bonding is a type of chemical bond in which valence electrons are lost from one atom and gained by another.. This bond generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion. ┬а Example :: One example of an ionic bond is the formation of sodium fluoride, NaF, from a sodium atom and a fluorine atom. In this reaction, the sodium atom loses its single valence electron to the fluorine atom, which has just enough space to accept it. The ions produced are oppositely charged and are attracted to one another due to electrostatic forces.

Q: Crack the code & Unlock the Key ? 2360 0

  • 1
    062
    Correct
    Wrong
  • 2
    602
    Correct
    Wrong
  • 3
    042
    Correct
    Wrong
  • 4
    204
    Correct
    Wrong
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Answer : 3. "042"
Explanation :

Answer: C) 042 Explanation: From all the hints given,┬а only 042 satisfies and it unlocks the key.

Q:

рдЖрдЬрдХрд▓ рд╕рдВрдпреБрдХреНрдд рд░рд╛рд╖реНрдЯреНрд░ рд╕рдВрдШ рдХреЗ рдХрд┐рд╕ рдЕрдВрдЧ рдХреА рд╕рджрд╕реНрдпрддрд╛ рдХреЗ рд╡рд┐рд╕реНрддрд╛рд░ рдХреА рдорд╛рдВрдЧ рдХреА рдЬрд╛ рд░рд╣реА рд╣реИ?

2360 0

  • 1
    рдиреНрдпрд╛рдп рдкрд░рд┐рд╖рдж
    Correct
    Wrong
  • 2
    рдЕрдиреНрддрд░реНрд░рд╛рд╖реНрдЯреНрд░реАрдп рдиреНрдпрд╛рдпрд╛рд▓рдп
    Correct
    Wrong
  • 3
    рд╕реБрд░рдХреНрд╖рд╛ рдкрд░рд┐рд╖рдж
    Correct
    Wrong
  • 4
    рдорд╣рд╛рд╕рднрд╛
    Correct
    Wrong
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Answer : 3. "рд╕реБрд░рдХреНрд╖рд╛ рдкрд░рд┐рд╖рдж"

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Answer : 3. "82.14 % "

Q:

рдирд╛рдЗрдЯреНрд░реЛрдЬрди рдЪрдХреНрд░ рдореЗрдВ, рдорд┐рдЯреНрдЯреА рдирд╛рдЗрдЯреНрд░реЗрдЯреНрд╕ рдХреЛ рдореБрдХреНрдд рдирд╛рдЗрдЯреНрд░реЛрдЬрди рдореЗрдВ рдХрд┐рд╕рдХреЗ рджреНрд╡рд╛рд░рд╛ рдмрджрд▓ рджрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИ?

2360 0

  • 1
    рдирд╛рдИрдЯреНрд░реАрдлрд╛рдЗрдВрдЧ рдмреИрдХреНрдЯреАрд░рд┐рдпрд╛
    Correct
    Wrong
  • 2
    рдбреАрдирд╛рдИрдЯреНрд░реАрдлрд╛рдЗрдВрдЧ рдмреИрдХреНрдЯреАрд░рд┐рдпрд╛
    Correct
    Wrong
  • 3
    рдПрдореЛрдиреАрдлрд╛рдЗрдВрдЧ рдмреИрдХреНрдЯреАрд░рд┐рдпрд╛
    Correct
    Wrong
  • 4
    рдЗрдирдореЗрдВ рд╕реЗ рдХреЛрдИ рдирд╣реАрдВ
    Correct
    Wrong
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Answer : 2. "рдбреАрдирд╛рдИрдЯреНрд░реАрдлрд╛рдЗрдВрдЧ рдмреИрдХреНрдЯреАрд░рд┐рдпрд╛"

Q: Kalyan purchased a Maruti van for Rs. 1,96,000 and the rate of depreciation is 14(2/7) % per annum. Find the value of the van after two years ? 2360 0

  • 1
    Rs. 1,24,000
    Correct
    Wrong
  • 2
    Rs. 1,44,000
    Correct
    Wrong
  • 3
    Rs. 1,32,000
    Correct
    Wrong
  • 4
    Rs. 1,62,000
    Correct
    Wrong
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Answer : 2. "Rs. 1,44,000"
Explanation :

Answer: B) Rs. 1,44,000 Explanation: Value of Maruti Van, V1 = Rs. 1,96,000Rate of depreciation, r = 14(2/7)% = 100/7%; Time, t = 2 yearsLet V2 is the value after depreciation. V2┬а=┬аV11┬а-┬аr100tV2 = 196001┬а-┬а10071002 V2 = 196000(6/7)(6/7) V2 = (196000x36)/49 = Rs. 1,44,000.

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