प्रश्न और उत्तर का अभ्यास करें
8प्र: A group of men can complete a job in K hours. After every 4 hours, half the number of men working at that point of time leave the job. Continuing this way if the job is finished in 16 hours, what is the value of K ? 4622 05b5cc73ae4d2b4197774f8d8
5b5cc73ae4d2b4197774f8d8- 17 hrsfalse
- 27.5 hrstrue
- 38 hrsfalse
- 48.25 hrsfalse
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उत्तर : 2. "7.5 hrs"
व्याख्या :
Answer: B) 7.5 hrs Explanation: Let there are L men job requires LK man hours. job completed in first 4 hrs = L x 4 = 4L job completed in next 4 hrs = 4 x L/2 = 2L job completed in next 4 hrs = 4 x L/4 = L job completed in last 4 hrs = 4 x L/8 = L/2 4L + 2L + L + L/2 = KL K = 7+1/2 = 7.5 hours.
प्र: The number of ways in which 8 distinct toys can be distributed among 5 children? 4620 05b5cc699e4d2b4197774c700
5b5cc699e4d2b4197774c700- 15P8false
- 25^8true
- 38P5false
- 48^5false
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उत्तर : 2. "5^8"
व्याख्या :
Answer: B) 5^8 Explanation: As the toys are distinct and not identical, For each of the 8 toys, we have three choices as to which child will receive the toy. Therefore, there are 58 ways to distribute the toys. Hence, it is 58 and not 85.
प्र: प्रताप ने एक रेडियो उसकी वास्तविक कीमत से 25 प्रतिशत छुट पर खरीदा। उसने जब उसे खरीदे गए मूल्य से 140 प्रतिशत पर बेचा तो उसे वास्तविक कीमत से 40 रू. अधिक मिले। उसने किस कीमत पर रेडियो खरीदा था? 4619 05d132bb809a40f38019e53b0
5d132bb809a40f38019e53b0- 1800false
- 2700false
- 3900false
- 4600true
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उत्तर : 4. "600"
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उत्तर : 4. "F"
प्र: People from which state celebrate their harvest festival around Makar Sankranti? 4618 05b5cc7c5e4d2b41977750c78
5b5cc7c5e4d2b41977750c78- 1Keralafalse
- 2Punjabfalse
- 3Karnatakatrue
- 4Tamil Nadufalse
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उत्तर : 3. "Karnataka"
व्याख्या :
Answer: C) Karnataka Explanation:
प्र: To throw or drop unnecessary goods or fuel from a ship, an aircraft, a spacecraft etc.
4617 05e5fa486860fb849c8ea4d5f
5e5fa486860fb849c8ea4d5f- 1Capsizefalse
- 2Enthrallfalse
- 3Volleyfalse
- 4Jettisontrue
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उत्तर : 4. "Jettison "
प्र: यदि 5 – 5 =24 और 7 – 7 =48 है तो 10 – 10 का मान होगा।
4617 05f11333b11adad51b2b9e2f1
5f11333b11adad51b2b9e2f1- 180false
- 299true
- 391false
- 456false
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उत्तर : 2. "99"
प्र: Who set up the world's first floating ATM ? 4615 05b5cc711e4d2b4197774f3f5
5b5cc711e4d2b4197774f3f5- 1Bank of Americafalse
- 2Barclays Bankfalse
- 3Axis Bankfalse
- 4State Bank of Indiatrue
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उत्तर : 4. "State Bank of India"
व्याख्या :
Answer: D) State Bank of India Explanation: India's banking behemoth -- the State Bank of India -- has set up the world's first-ever floating ATM on a boat in Kerala. The boat with the ATM on board will berth at jetties in Kerala's huge backwaters through which thousands of people travel daily.

