CAT प्रश्न और उत्तर का अभ्यास करें
8प्र: In a street, there are certain number of houses. People in that street are decided to paint their houses with certain colours. If four houses are painted with each colour, then one house will be left without any colour. If five houses are painted with each colour, then one colour will remain. Find the number of houses in that street ? 2115 05b5cc718e4d2b4197774f4a9
5b5cc718e4d2b4197774f4a9- 125true
- 26false
- 332false
- 47false
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उत्तर : 1. "25"
व्याख्या :
Answer: A) 25 Explanation: Let x be number of houses and y be colors. on the basis of question x = 4y+1x = 5(y-1)on solving these 2 equations x = 25
प्र: Arun has certain number of books. It is not less than 15 and not more than 30. If he wants to give these books equally to 2 of his friends, then 1 book will remain. If he wants to give these books equally to 3 of his friends, then 2 books will remain. If he wants to give these books equally to 4 of his friends, then 3 books will remain. What is the number of books he had ? 1894 05b5cc718e4d2b4197774f4a4
5b5cc718e4d2b4197774f4a4- 119false
- 223true
- 317false
- 415false
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उत्तर : 2. "23"
व्याख्या :
Answer: B) 23 Explanation: If he wants to give these books equally to 2 of his friends, then 1 book will remain, it means possible number of books = 15,17,19,21,23,25,27,29If he wants to give these books equally to 3 of his friends, then 2 books will remain, it means possible number of books = 17,20,23,26,29If he wants to give these books equally to 4 of his friends, then 3 book will remain, it means possible number of books = 15,19,23,27common number is only 23 so it will be answer
प्र: Rajeev works in the security section of a bank. Everybody in the company is either an IT person or a finance person or both. The assignment that rambo is currently working on has five people from finance and three people from IT,including him. Of the 26 finance people in his department, a total of 16 are in his section. Of the 18 IT people in his department, 10 are not in Rajeev section. There is nobody in Rajeev section who is both a finance person and an IT person. Fifteen people in his department do not belong to his section. Questions : 1)How many IT people are there in Rajeev's department who are not a finance person and are not in Rajeev's section ? 1578 05b5cc718e4d2b4197774f49f
5b5cc718e4d2b4197774f49f- 11false
- 23false
- 35false
- 48 2)what number finance people in Rajeev's department are not in his section?false
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उत्तर :
व्याख्या :
Finance person in his department = 26IT persons in his department = 18Finance person in his section = 16IT persons in his section = 8Total in his section = 16+8 = 24Total people in his depatment = 26+18 = 44only 15 people in his dept are not in his secand 44-24 = 20so 20-15 = 5 people belong to both finance and IT Answer 1) is 'C'. IT persons in his department = 18(total IT) - 8(section) - 5(both) = 5 Answer 2) is 'B' Finance persons not in his section = 26 - 16 = 10
प्र: The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age og the youngest child ? 1477 05b5cc718e4d2b4197774f49a
5b5cc718e4d2b4197774f49a- 18 yrsfalse
- 216 yrsfalse
- 36 yrsfalse
- 44 yrstrue
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उत्तर : 4. "4 yrs"
व्याख्या :
Answer: D) 4 yrs Explanation: Let the age of the youngest child is 'X' years.Then the child elder than the yongest is 'X + 3' yrsSince each have 3yrs difference upto 5 childrenAnd given that=> X + X+3 + X+6 + X+9 + X+12 = 50=> 5X + 30 = 50=> X = 4 yrs.
प्र: Choose the correct order 1) is 2) at 3) TV 4) film 5) midnight 6) a 7) on 8) great 9) There 1996 05b5cc718e4d2b4197774f495
5b5cc718e4d2b4197774f495- 19, 1, 6, 8, 7, 4, 3, 2, 5false
- 29, 1, 6, 8, 4, 7, 3, 5, 3false
- 39, 1, 6, 8, 4, 7, 3, 2, 5true
- 49, 6, 1, 8, 4, 7, 3, 2, 5false
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उत्तर : 3. "9, 1, 6, 8, 4, 7, 3, 2, 5"
व्याख्या :
Answer: C) 9, 1, 6, 8, 4, 7, 3, 2, 5 Explanation: There is a great film on tv at midnight.
प्र: If 4 circles of equal radius are drawn with vertices of a square as the centre , the side of the square being 7 cm, find the area of the circles outside the square ? 1677 05b5cc718e4d2b4197774f490
5b5cc718e4d2b4197774f490- 1119.21 sq cmfalse
- 2115.395 sq cmtrue
- 3104.214 sq cmfalse
- 4111.241 sq cmfalse
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उत्तर : 2. "115.395 sq cm"
व्याख्या :
Answer: B) 115.395 sq cm Explanation: Because each vertice of the square is the center of a circle(1/4) part of the total area of each circle inside of the square.(3/4) part of the total area of each circle outside of the square.Thus total area outside the square is 434×227×3.5×3.5 = 115.3955 sq cm.
प्र: The AIADMK IT Wing has launched the first-of-its-kind women safety application in Tamil Nadu. The app is called ___________. 1719 05b5cc718e4d2b4197774f48b
5b5cc718e4d2b4197774f48b- 1Jayanit Ramafalse
- 2Lalitan Lingafalse
- 3Ammanita Vihufalse
- 4Ammavin Arantrue
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उत्तर : 4. "Ammavin Aran"
व्याख्या :
Answer: D) Ammavin Aran Explanation: The AIADMK IT Wing has launched the first-of-its-kind women safety application in Tamil Nadu. The app is called 'Ammavin Aran' meaning 'mother's fortress'.
प्र: World Consumer Rights Day is observed globally on ___________. 1485 05b5cc718e4d2b4197774f486
5b5cc718e4d2b4197774f486- 115 Marchtrue
- 225 Marchfalse
- 314 Marchfalse
- 425 Aprilfalse
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उत्तर : 1. "15 March"
व्याख्या :
Answer: A) 15 March Explanation: World Consumer Rights Day is being observed globally on 15 March which is an awareness day for the consumers.