Practice Question and Answer

Q:

If DANGER  is coded as 10-7-20-13-11-24 , how will you code MACHINE   ?

2253 0

  • 1
    13-7-20-9-11-25
    Correct
    Wrong
  • 2
    13-7-20-10-11-25
    Correct
    Wrong
  • 3
    11-7-20-16-11-2
    Correct
    Wrong
  • 4
    19-7-9-14-15-20-11
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "19-7-9-14-15-20-11"

Q:

What is the coupling of primary and secondary coils in a transformer?

2253 0

  • 1
    Electrical
    Correct
    Wrong
  • 2
    Mechanical
    Correct
    Wrong
  • 3
    Magnetic
    Correct
    Wrong
  • 4
    All these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Magnetic"
Explanation :

The secondary coil is also generating a magnetic field that is growing and shrinking just like the field in the primary coil. This coupling of magnetic energy between these two coils is called mutual induction.

Q:

Study the table and answer the questions and give answer the following questions.

In  which year , the difference between the highest and the average marks in maths was maximum?

2253 0

  • 1
    2007
    Correct
    Wrong
  • 2
    2009
    Correct
    Wrong
  • 3
    2008
    Correct
    Wrong
  • 4
    2010
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "2008"

Q: Negative divided by Negative 2253 0

  • 1
    -ve
    Correct
    Wrong
  • 2
    +ve
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "+ve"
Explanation :

Answer: B) +ve Explanation: We know the Mathematical rules that   ++ = ++- = --+ = --- = +

Q: What is the difference in the shares of profit between P and Q in a joint business at the end of one year ? a. P Invested Rs. 80,000 and withdrew Rs. 20,000 after 6 months. b. Q joined four months after the start of business. c. Q's amount was 80% of P's amount during the last six months. 2253 0

  • 1
    Only a
    Correct
    Wrong
  • 2
    Only c
    Correct
    Wrong
  • 3
    Both a & b
    Correct
    Wrong
  • 4
    Data is not sufficient
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Data is not sufficient"
Explanation :

Answer: D) Data is not sufficient Explanation: a. P's investment = (80000 x 6 + 60000 x 6) = 840000 for 1 month. b & c. Q's investment = 80% of Rs. 60000 for 8 months. = Rs.(48000 x 8) for 1 month = 384000 for 1 month P : Q = 840000 : 384000 = 35 : 16. But, the total profit is not given, so data is inadequate.

Q: There are 15 lines in plane. How many intersections (Maximum) can be made ? 2253 0

  • 1
    55
    Correct
    Wrong
  • 2
    105
    Correct
    Wrong
  • 3
    215
    Correct
    Wrong
  • 4
    148
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "105"
Explanation :

Answer: B) 105 Explanation: First line will cut all other 14, similarly second will cut 13, and so onTotal = 14+13+12+11+10+9+8+7+6+5+4+3+2+1 = 105.

Q:

Directions (79): In questions given below, out of the four alternatives, choose the one which can be substituted for the given words/ sentence.
One who presents a radio programme    

2252 0

  • 1
    Invigilator
    Correct
    Wrong
  • 2
    Jurisprudence
    Correct
    Wrong
  • 3
    Lexicographer
    Correct
    Wrong
  • 4
    Radio Jockey
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Radio Jockey"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully