Practice Question and Answer
8 Q: рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХрд┐рд╕рдХреЗ рджреНрд╡рд╛рд░рд╛ рднрд╛рд░рдд рдореЗрдВ рдХреНрд░реЛрдореЛ рдЬреЙрдмреНрд╕ рдПрдк рд▓реЙрдиреНрдЪ рдХрд┐рдпрд╛ рдЧрдпрд╛ рд╣реИ┬а?
2056 05f42902097c6dd29b38b0ed0
5f42902097c6dd29b38b0ed0- 1рдЧреВрдЧрд▓true
- 2рдкреЗрдЯреАрдПрдоfalse
- 3рдЕрдореЗрдЬрд╝рдиfalse
- 4рдлреЗрд╕рдмреВрдХfalse
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Answer : 1. "рдЧреВрдЧрд▓"
Q: A bag contains 3 red balls, 5 yellow balls and 7 pink balls. If one ball is drawn at random from the bag, what is the probability that it is either pink or red? 2056 05b5cc6a9e4d2b4197774cef6
5b5cc6a9e4d2b4197774cef6- 12/3true
- 21/8false
- 33/8false
- 43/4false
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Answer : 1. "2/3"
Explanation :
Answer: A) 2/3 Explanation: Given number of balls = 3 + 5 + 7 = 15 One ball is drawn randomly = 15C1 probability that it is either pink or red =┬а7C1┬а+┬а3C115C1┬а=┬а7┬а+┬а315┬а=┬а1015┬а=┬а23
Q: рд░рд╛рдХреЗрд╢ рдХреЛ рдкрд░реАрдХреНрд╖рд╛ рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рд╣реЛрдиреЗ рдХреЗ рд▓рд┐рдП┬а36┬ардкреНрд░рддрд┐рд╢рдд рдЕрдВрдХ рдкреНрд░рд╛рдкреНрдд рдХрд░рдиреЗ рдереЗред рдЙрд╕рдиреЗ┬а24┬ардкреНрд░рддрд┐рд╢рдд рдЕрдВрдХ рдкреНрд░рд╛рдкреНрдд рдХрд┐рдпреЗ рдФрд░ рд╡рд╣┬а9┬ардЕрдВрдХреЛ рд╕реЗ рдЕрдиреБрддреНрддреАрд░реНрдг рд╣реБрдЖред рдкреЗрдкрд░ рдХрд╛ рдкреВрд░реНрдгрд╛рдВрдХ рдерд╛?
2056 05e4625a793bdc675418b0692
5e4625a793bdc675418b0692- 166false
- 275true
- 362false
- 4100false
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Answer : 2. "75"
Q: Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern ? 2056 05b5cc6e7e4d2b4197774edb5
5b5cc6e7e4d2b4197774edb5- 185 minfalse
- 295 minfalse
- 3105 minfalse
- 4100 mintrue
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Answer : 4. "100 min"
Explanation :
Answer: D) 100 min Explanation: Work done by the third pipe in 1 min = 1/50 - (1/60 + 1/75) = - 1/100.[-ve sign means emptying] The third pipe alone can empty the cistern in 100 min.
Q: Which of the following dams is also known as Maharana Pratap Sagar? 2056 05c35b22fcd1b8e6bfbc220bc
5c35b22fcd1b8e6bfbc220bc- 1Ukai Damfalse
- 2Pong Damtrue
- 3Thein Damfalse
- 4Koyna Damfalse
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Answer : 2. "Pong Dam"
Q: Who was selected for the Man of the Match Award in the finals of World Cup 2018? 2056 05c35b4b1cd1b8e6bfbc220f5
5c35b4b1cd1b8e6bfbc220f5- 1Antoine Griezmantrue
- 2Kylian Mbappefalse
- 3Paul Pogbafalse
- 4Raphael Varanefalse
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Answer : 1. "Antoine Griezman"
Q: 392 : 28 : : 722 : ?
2056 05fc5ee9b0cb33424ae84e88b
5fc5ee9b0cb33424ae84e88b- 138true
- 248false
- 318false
- 428false
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Answer : 1. "38"
Q: The area of a square is 1024 sq.cm. What is the ratio of the length to the breadth of a rectangle whose length is twice the side of the square and breadth is 12 cm less than the side of this square ? 2056 05b5cc72ce4d2b4197774f76e
5b5cc72ce4d2b4197774f76e- 114:9false
- 213:12false
- 316:5true
- 417:13false
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Answer : 3. "16:5"
Explanation :
Answer: C) 16:5 Explanation: Area of a square SxS = 1024 => S = 32 cmLength of the rectangle = 32x2 cm = 64 cmBreadth of the rectangle = 32 - 12 = 20 cmRequired ratio = 64 : 20 = 16 : 5