प्रश्न और उत्तर का अभ्यास करें
8 प्र:नीचे दिए गए आरेख का अध्ययन करें और निम्नलिखित प्रत्येक प्रश्न का उत्तर दें। 
कितने लोग हैं जो केवल कॉफी पीते हैं?
1640 05eec562a3716d10a7a4c0c66
5eec562a3716d10a7a4c0c66- 190false
- 245true
- 325false
- 420false
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उत्तर : 2. "45"
प्र: आकृति में कितने वर्ग हैं?
1640 05fdcadcb47af917ef3d97dca
5fdcadcb47af917ef3d97dca- 116false
- 217false
- 326false
- 430true
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उत्तर : 4. "30"
प्र: A certain sum is to be divided between A and B so that after 5 years the amount received by A is equal to the amount received by B after 7 years. The rate of interest is 10%, interest compounded annually. Find the ratio of amounts invested by them. please solve this 1640 05b5cc7c1e4d2b41977750a31
5b5cc7c1e4d2b41977750a31- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
Let the sum(principal) received by A and B are x and y. (1+r) = = Then, = Hence, the ratio in which the sum is divided =121:100
प्र: Bats can fly in the dark because 1640 05b5cc7c5e4d2b41977750caa
5b5cc7c5e4d2b41977750caa- 1they have a better vision in the darkfalse
- 2the light startles in themfalse
- 3they produce high pitched sounds called ultrasonicstrue
- 4none of the abovefalse
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उत्तर : 3. "they produce high pitched sounds called ultrasonics"
व्याख्या :
Answer: C) they produce high pitched sounds called ultrasonics Explanation:
प्र: निम्नलिखित में से किस तारीख को विश्व दृष्टि दिवस मनाया जाता है?
1640 05da03d0831905d285335ceb9
5da03d0831905d285335ceb9- 1अक्टूबर12false
- 2अक्टूबर11false
- 3अक्टूबर10true
- 4अक्टूबर09false
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उत्तर : 3. "अक्टूबर10"
प्र: DRDO full form is 1640 05b5cc69ee4d2b4197774c97b
5b5cc69ee4d2b4197774c97b- 1Delhi Research and Development Organisationfalse
- 2Defence Research and Deploymentfalse
- 3Delhi Rail Development Organisationfalse
- 4Defence Research and Development Organisationtrue
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उत्तर : 4. "Defence Research and Development Organisation"
व्याख्या :
Answer: D) Defence Research and Development Organisation Explanation: DRDO stands for The Defence Research and Development Organisation. The Defence Research and Development Organisation (DRDO) is an agency of the Republic of India, charged with the military's research and development, headquartered in New Delhi, India.
प्र: Which of the Phrases (1), (2), (3) and (4) given below should replace the phrases printed in bold in the sentence to make it grammatically correct. They claim that their employees are highly committing and disciplined. 1640 05b5cc6cce4d2b4197774e12e
5b5cc6cce4d2b4197774e12e- 1Have been highly committedfalse
- 2Have high commitmentsfalse
- 3Are highly committedtrue
- 4No correction requiredfalse
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उत्तर : 3. "Are highly committed"
व्याख्या :
Answer: C) Are highly committed Explanation: As per the rule of adverb, the adverb is followed by the third form of verb.
प्र: A passenger train is moving at a speed of 120 km/hr. If the length of the train is 101 meters, how long will it take to cross a railway platform 154 meters long ? 1640 05b5cc6d3e4d2b4197774e540
5b5cc6d3e4d2b4197774e540- 16.24 secfalse
- 26.58 secfalse
- 37.325 secfalse
- 47.65 sectrue
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उत्तर : 4. "7.65 sec"
व्याख्या :
Answer: D) 7.65 sec Explanation: Here total distance = 154 + 101 = 255 mtsGiven speed = 120 kmph = 120x5/18 m/secHence, Time = d/s = 255x18/120x5 = 7.65 sec