Practice Question and Answer
8Q: There are 10 Letters and 10 correspondingly 10 different Address. If the letter are put into envelope randomly, then find the Probability that Exactly 9 letters will at the Correct Address ? 2047 05b5cc705e4d2b4197774f1ee
5b5cc705e4d2b4197774f1ee- 11/10false
- 21/9false
- 31false
- 40true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "0"
Explanation :
Answer: D) 0 Explanation: As we know we have 10 letter and 10 different address and one more information given that exactly 9 letter will at the correct address....so the remaining one letter automatically reach to their correct address P(E) = favorable outcomes /total outcomesHere favorable outcomes are '0'.So probability is '0'.
Q: The average of a non-zero number and its square is 11 times the number. The number is ? 2047 05b5cc72ce4d2b4197774f741
5b5cc72ce4d2b4197774f741- 122true
- 221false
- 311false
- 417false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "22"
Explanation :
Answer: A) 22 Explanation: Let the number be 'x'. x+x22 = 11x x2= 22x => x = 22.
Q: Are fan boxes installed in roofs?
2046 05ef4167fd40ebf3f783329a5
5ef4167fd40ebf3f783329a5- 1Casing-keeping wiringfalse
- 2in cleat wiringfalse
- 3in conduit wiringtrue
- 4Wiringfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "in conduit wiring"
Explanation :
Most building codes require ceiling fans to be mounted on special fan-rated boxes made of metal or strong plastic with deep-threaded holes for the mounting screws. The box must be mounted firmly by attaching it directly to a framing member or using a fan-rated brace.
Q: What does 'M' stand for in chemistry? 2046 05b5cc615e4d2b4197774b6bd
5b5cc615e4d2b4197774b6bd- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
'M' is used as a unit of molarity and stands for mole per litre i.e, number of moles of solute per liter of solution.
Q: How many cricketer's have been inducted in the International Cricket Council's Hall of Fame?
2046 05d36eaadb8c93a5165ec6166
5d36eaadb8c93a5165ec6166- 143false
- 266false
- 372false
- 489true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "89"
Q:In each of the following questions, sentences are given with blanks to be filled in with an appropriate word (s). Four alternatives are suggested for each question. Choose the correct alternative out of the four and indicate your choice for the correct answer.
Freedom is not a………but our birth right.
2046 05d79e99c9b43216ae13ce3f6
5d79e99c9b43216ae13ce3f6- 1sinfalse
- 2gifttrue
- 3farcefalse
- 4illusionfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "gift"
Explanation :
undefined
Q: Plants synthesis protein from which 2046 05c497bf485451c5d3308c077
5c497bf485451c5d3308c077- 1starchfalse
- 2sugarfalse
- 3amino acidstrue
- 4fatty acidsfalse
- 5starchfalse
- 6sugarfalse
- 7amino acidstrue
- 8fatty acidsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "amino acids" 7. "amino acids"
Q: In the given figure AD ‖ BE, and ∠DCE=85° and ∠BDC=30° then find out the value of x?

2045 05f4df5eb82369c1d6113d962
5f4df5eb82369c1d6113d962- 130°false
- 235°true
- 345°false
- 455°false
- Show AnswerHide Answer
- Workspace
- SingleChoice

