प्रश्न और उत्तर का अभ्यास करें
8प्र: At a dinner party every two guests used a bowl of rice between them, every three guests used a bowl of dal between them and every four used a bowl of meat between them. There were altogether 65 dishes. How many guests were present at the party ? 3368 05b5cc720e4d2b4197774f636
5b5cc720e4d2b4197774f636- 160true
- 274false
- 382false
- 458false
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उत्तर : 1. "60"
व्याख्या :
Answer: A) 60 Explanation: Let, no. of rice bowl = xno. of dal bowl = yno. of meat bowl = z Then, x + y + z = 65 ....(1) Also given that, 2x = 3y = 4z substituting value of y & z in terms of x i.e. y = 2x/3 and z = x/2 in eq (1),We get x = 30. As 1 rice bowl is shared between 2 guests, Therefore, there are 60 guests.
प्र: At a certain rate of interest the compound interest of 3 years and simple interest of 5 years for certain sum of money is respectively Rs. 1513.2 and Rs. 2400. Find the common rate of interest per annum ? 3367 05b5cc6cde4d2b4197774e1cc
5b5cc6cde4d2b4197774e1cc- 15%true
- 26%false
- 34%false
- 43%false
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उत्तर : 1. "5%"
व्याख्या :
Answer: A) 5% Explanation: Given compound interest for 3 years = Rs. 1513.2 and simple interest for 5 years = Rs. 2400 Now, we know that C.I = P1+R100n - 1 => 1513.2 = P1+R1003 - 1 ...........(A) And S.I = PTR/100 => 2400 = P5R/100 ..................(B) By solving (A) & (B), we get R = 5%.
प्र:Directions (Q .121 - 125 ): Read each sentence to find out whether there is any . grammatical error or idiomatic error in it. The error, if any, will be in one part of the sentence. The number of that part is the answer. If there is ' No error the answer is (5). (Ignore errors of punctuation if any).
Ajay was adamant ( 1 ) / on finishing work before leaving ( 3 ) / by the day . ( 4 ) / No error ( 5 )
3367 05da41963d69109270473a981
5da41963d69109270473a981- 11false
- 22false
- 33false
- 44false
- 55true
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उत्तर : 5. "5"
प्र: Simplify the following : 373+353+283-3x37x35x28372+352+282-37x35-35x28-37x28 ? 3365 05b5cc6cae4d2b4197774dffc
5b5cc6cae4d2b4197774dffc- 1100true
- 21false
- 34false
- 40false
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उत्तर : 1. "100"
व्याख्या :
Answer: A) 100 Explanation: Given 373+353+283-3x37x35x28372+352+282-37x35-35x28-37x28 It is in the form of a3+b3+c3-3abca2+b2+c2-ab-bc-ca= a + b + c Here a = 37, b = 35 & c = 28 => a + b + c = 37 + 35 + 28 = 100 Therefore, = 100
प्र: दिए गए आकृति से विषम शब्द ज्ञात कीजिए?
3365 15db2a7c4e6fc934b32f0f581
5db2a7c4e6fc934b32f0f581- 1Afalse
- 2Btrue
- 3Cfalse
- 4Dfalse
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उत्तर : 2. "B"
प्र: 320 रुपये में एक वस्तु को बेचने पर, एक व्यक्ति को 20 % की हानि होती है, 30 % का लाभ प्राप्त करने के लिए वस्तु का विक्रय मूल्य कितना होना चाहिए?
3364 05eb94b27a445f56aef0937ca
5eb94b27a445f56aef0937ca- 1520 रुtrue
- 2690 रुfalse
- 3550 रुfalse
- 4440 रुfalse
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उत्तर : 1. "520 रु "
प्र:Directions : In these questions , a part of the sentence is given in bold . Below are given alternatives to the bold part at (A) , (B) and (C) which may improve the sentence . Choose the correct alternative . In case no improvement is needed you answer is (D ) .
Prasad bowls faster than Srinath, isn’t it?
3364 05f211a86ec5b045afeaf6ed1
5f211a86ec5b045afeaf6ed1- 1isn’t Prasad?false
- 2does he?false
- 3doesn’t he?true
- 4No improvementfalse
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उत्तर : 3. "doesn’t he?"
प्र:Which of the phrases (A), (B), (C) and (D) are given below sentence should replace the phrase printed in bold in the sentence to make it grammatically correct? If the sentence is correct as it is given and ‘No correction is required ‘, mark (E) as the answer.
The little boy appeared all of a sudden out of nowhere and take everyone by surprise.
3363 05deb24e80c76b7071ae32317
5deb24e80c76b7071ae32317- 1took everyone as surprisedfalse
- 2take everyone with surprisedfalse
- 3took everyone by surprisesfalse
- 4took everyone by surprisetrue
- 5No correction requiredfalse
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