प्रश्न और उत्तर का अभ्यास करें
8प्र: Rajeev's age is four more than the age of Shilpa. The age of Shilpa can be obtained by subtracting four times her age 4 years ago from the four times her age after 4 years. What was Rajeev's age before 4 years ? 1396 05b5cc6c7e4d2b4197774dea5
5b5cc6c7e4d2b4197774dea5- 136 yearsfalse
- 228 yearsfalse
- 332 yearstrue
- 440 yearsfalse
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उत्तर : 3. "32 years"
व्याख्या :
Answer: C) 32 years Explanation: Let Shilpa's present age is p years According to question, p = 4(x+4) – 4(x–4) p = 4x+16 – 4x+16 p = 32 Shilpa's present age = 32 years Rajeev is four years older than Shilpa => Shilpa's present age = Rajeev's age 4 years before. => Rajeev's age 4 years before = 32 years.
प्र: If the average height of boys in a hall is 180 cm and that of girls is 150 cm. If the average height of the gathering is 165 cm, then find the number of girls present in the hall if the number of boys present in the hall are 78 ? 1643 05b5cc6c7e4d2b4197774dea0
5b5cc6c7e4d2b4197774dea0- 156false
- 264false
- 387false
- 478true
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उत्तर : 4. "78"
व्याख्या :
Answer: D) 78 Explanation: Using Trial and error method, we get the number of girls in the hall = 78
प्र: A man purchases two articles, on selling one at loss of 20% while the other at a profit of 25%, he gains the overall profit of 5% than find the ratio of their selling price ? 1318 05b5cc6c7e4d2b4197774de9b
5b5cc6c7e4d2b4197774de9b- 18 : 62.5true
- 255 : 8false
- 38 : 65false
- 464.4 : 9false
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उत्तर : 1. "8 : 62.5"
व्याख्या :
Answer: A) 8 : 62.5 Explanation: Article I Article II -20 25% 5% 20% 25% 4 : 5 Now, Selling of first article = (4-20%) = 0.8 Selling of second article = (5+25%) = 6.25 Therefore the ratio of selling price = 8 : 62.5
प्र: Which Bollywood actress has been appointed as the first Indian woman ambassador (Friend of Australia) for Tourism in Australia ? 1548 05b5cc6c7e4d2b4197774de96
5b5cc6c7e4d2b4197774de96- 1Priyanka Choprafalse
- 2Aliya Bhattfalse
- 3Parineeti Chopratrue
- 4Shilpa Shettyfalse
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उत्तर : 3. "Parineeti Chopra"
व्याख्या :
Answer: C) Parineeti Chopra Explanation:
प्र: Which University has topped the Times Higher Education World University Rankings 2018 ? 1221 05b5cc6c7e4d2b4197774de91
5b5cc6c7e4d2b4197774de91- 1IISC Bangalorefalse
- 2Oxfordtrue
- 3IIT Kanpurfalse
- 4Cambridgefalse
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उत्तर : 2. "Oxford"
व्याख्या :
Answer: B) Oxford Explanation: In the annual World University Rankings released by Times Higher Education, the Indian Institute of Science of India has reached 251-300 band from last year's 201-250 band, while Oxford and Cambridge universities are on the top in the Global 1000 list.
प्र: What should come in place of question mark (?) in the following number series? 132 156 ? 210 240 272 2816 05b5cc6c7e4d2b4197774de8c
5b5cc6c7e4d2b4197774de8c- 1196false
- 2182true
- 3199false
- 4204false
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उत्तर : 2. "182"
व्याख्या :
Answer: B) 182 Explanation: The given series follows a logic that 11 x 12, 12 x 13, 13 x 14, 14 x 15, 15 x 16,... So the missing number is 13 x 14 = 182
प्र: If two is subtracted from each odd digit and three is added to each even digit in the number 94257636, how many digits will appear twice in the new number thus formed ? 2397 05b5cc6c7e4d2b4197774de87
5b5cc6c7e4d2b4197774de87- 10false
- 21false
- 32false
- 43true
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उत्तर : 4. "3"
व्याख्या :
Answer: D) 3 Explanation: Here 5, 7 & 9 are repeating after modulation.
प्र: "World Television Day" is observed every year on ___. 1469 05b5cc6c7e4d2b4197774de82
5b5cc6c7e4d2b4197774de82- 1Nov 21true
- 2Oct 22false
- 3Sep 23false
- 4Aug 24false
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उत्तर : 1. "Nov 21"
व्याख्या :
Answer: A) Nov 21 Explanation: