GATE प्रश्न और उत्तर का अभ्यास करें
8प्र: Find the odd letter/word from the given alternatives. 1490 05b5cc6cae4d2b4197774dff2
5b5cc6cae4d2b4197774dff2- 1Horsetrue
- 2Ewefalse
- 3Hindfalse
- 4Bitchfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "Horse"
व्याख्या :
Answer: A) Horse Explanation: Except Horse, remaining all belong to female category. Hind - Female Deer Ewe - Female Sheep Bitch - Female Dog.
प्र: Who is the 45th President of United States ? 1490 05b5cc767e4d2b4197774fde6
5b5cc767e4d2b4197774fde6- 1Hillary Clintonfalse
- 2Barack Obamafalse
- 3George W. Bushfalse
- 4Donald Trumptrue
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 4. "Donald Trump"
व्याख्या :
Answer: D) Donald Trump Explanation: Donald John Trump (born June 14, 1946) is an American businessman, television personality, politician, and the 45th President of the United States.
प्र: At present, the ratio between the ages of Arun and Harish is 4:3. After 6 years, Arun's age will be 26 years. What is the age of Harish at present ? 1489 05b5cc6e1e4d2b4197774ebfc
5b5cc6e1e4d2b4197774ebfc- 115 yearstrue
- 216 yearsfalse
- 318 yearsfalse
- 421 yearsfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "15 years"
व्याख्या :
Answer: A) 15 years Explanation: Let the present ages of Arun and Harish be 4x and 3x years respectively. Then, 4x + 6 = 26 => x = 5 Harish's age = 3x = 15 years.
प्र: In how many different ways can the letters of the word 'POVERTY' be arranged ? 1489 05b5cc6b4e4d2b4197774d4bb
5b5cc6b4e4d2b4197774d4bb- 12520false
- 25040true
- 31260false
- 4Nonefalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "5040"
व्याख्या :
Answer: B) 5040 Explanation: The 7 letters word 'POVERTY' be arranged in 7P7 ways = 7! = 5040 ways.
प्र: Can you Solve the Problem ? 1488 05b5cc6cfe4d2b4197774e337
5b5cc6cfe4d2b4197774e337- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर :
व्याख्या :
Let the two digits be x & y From given data in the question, we get x + y = 3(x - y) x + y = 3x - 3y => 2x = 4y x/y = 2/1 For having the 2:1, numbers satisfying are 12, 21, 24, 42, 36, 63, 48, 84 From this 36 is eleminated because it is a perfect square and no others are prime or perfect squares. Hence, there exists 7 such 2-digit numbers => 12, 21, 24, 42, 63, 48, 84.
प्र: The average age of a class is 15.8 years. The average age of the boys in the class is 16.4 years and that of the girls is 15.4 years. What is the ratio of boys to girls in the class ? 1488 05b5cc75ee4d2b4197774fcd4
5b5cc75ee4d2b4197774fcd4- 11:3false
- 22:3true
- 33:2false
- 43:1false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 2. "2:3"
व्याख्या :
Answer: B) 2:3 Explanation: Let number of boys = x , Let number of girls = yTotal numbers of students = x + y(x + y) × 15.8 = 16.4x + 15.4y 0.6x = 0.4yx/y = 0.4/0.6 = 2/3 Ratio of boys and girls in the class is 2:3
प्र: 12 as a percentage? 1488 05b5cc696e4d2b4197774c570
5b5cc696e4d2b4197774c570- 150%true
- 25%false
- 30.5%false
- 40.05%false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 1. "50%"
व्याख्या :
Answer: A) 50% Explanation: 1/2 as a percentage means 1/2 = 0.5 in decimal Now, in percentage means 0.5 x 100% = 50%.
प्र: The difference between two numbers is 3355. When the larger number is divided by the smaller one, the quotient is 6 and the remainder is 15. The smaller number and larger number respectively ? 1487 05b5cc754e4d2b4197774fb81
5b5cc754e4d2b4197774fb81- 1546, 3901false
- 2415, 3770false
- 3668, 4023true
- 4404, 3759false
- उत्तर देखेंउत्तर छिपाएं
- Workspace
- SingleChoice
उत्तर : 3. "668, 4023"
व्याख्या :
Answer: C) 668, 4023 Explanation: Let the smaller number be k.Then, larger number = (3355 + k)Therefore 3355 + k = (6k + 15)‹=› 5k = 3340‹=› k = 668. Therefore, the smaller number k = 668 and now the larger number = 3355+668 = 4023.