IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Choose the alternative which is closely resembles the water image of the given combination/figure. ADVANCE 1) 2) 3) 4) NONE 5714 05b5cc6f1e4d2b4197774ef69
5b5cc6f1e4d2b4197774ef69- 11false
- 22true
- 33false
- 44false
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 2. "2"
व्याख्या :
Answer: B) 2 Explanation:
प्र: Which Word Does Not Belong with the Others 5695 05b5cc6b0e4d2b4197774d2c1
5b5cc6b0e4d2b4197774d2c1- 1VDUfalse
- 2Speakersfalse
- 3Plotterfalse
- 4Joysticktrue
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 4. "Joystick"
व्याख्या :
Answer: D) Joystick Explanation: Here Joystick is the word doesn't belong with the others. Because Except Joystick all others are Output Devices whereas Joystick is Input Device. VDU - Visual Display Unit - Monitor to display Speakers - Output sound Plotter - used to produce single or multiple colored images.
प्र: Hari Ram’s present age is three times his son’s present age and two fifth of his father’s present age. The average of the present age of all of them is 46 years. What is the difference between Hari Ram’s son’s present age and Hari Ram’s father’s present age? 5688 05b5cc6b7e4d2b4197774d5d8
5b5cc6b7e4d2b4197774d5d8- 144 yrsfalse
- 256 yrsfalse
- 367 yrsfalse
- 478 yrstrue
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 4. "78 yrs"
व्याख्या :
Answer: D) 78 yrs Explanation: Let Hari Ram's present age = x Then, his son's age = x/3 Father's age = 5x/2 x + x3 + 52x3 = 46=> x = 36 yrs Now the required difference = 52x36 - 363 = 78 yrs
प्र: A girl facing north rotates 100(degree) clockwise then 190(degree) anticlockwise. what is new direction of the girl ? 5684 05b5cc74ae4d2b4197774fa86
5b5cc74ae4d2b4197774fa86- 1North-Eastfalse
- 2Westtrue
- 3South-Eastfalse
- 4Southfalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 2. "West"
व्याख्या :
Answer: B) West Explanation: First girl facing NorthThen she rotates 100 deg clock wise => 10 deg ESThen again she rotates 190 deg anti clock wise => for 100 deg it is North and more 90 deg means West.Therefore, the new direction of the girl is West.
प्र: Two boys and a girl can do a work in 5 days, while a boy and 2 girls can do it in 6 days. If the boy is paid at the rate of 28$ a week, what should be the wages of the girl a week ? 5676 05b5cc74ae4d2b4197774faa4
5b5cc74ae4d2b4197774faa4- 124 $false
- 222 $false
- 316 $true
- 414 $false
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उत्तर : 3. "16 $"
व्याख्या :
Answer: C) 16 $ Explanation: Let the 1 day work of a boy=b and a girl=g, then2b + g = 1/5 ---(i) andb + 2g = 1/6 ---(ii)On solving (i) & (ii), b=7/90, g=2/45As payment of work will be in proportion to capacity of work and a boy is paid $ 28/week, so a girl will be paid 28×245790 = 16 $.
प्र: A person takes 20 minutes more to cover a certain distance by decreasing his speed by 20%. What is the time taken to cover the distance at his original speed ? 5662 05b5cc6eee4d2b4197774eebe
5b5cc6eee4d2b4197774eebe- 11hrfalse
- 21 hr 20 mintrue
- 31 hr 10 minfalse
- 450 minfalse
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- Workspace
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उत्तर : 2. "1 hr 20 min"
व्याख्या :
Answer: B) 1 hr 20 min Explanation: Let the distance and original speed be 'd' km and 'k' kmph respectively. d/0.8k - d/k = 20/60 => 5d/4k - d/k = 1/3 => (5d - 4d)/4k = 1/3 => d = 4/3 k Time taken to cover the distance at original speed = d/k = 4/3 hours = 1 hour 20 minutes.
प्र: Find the odd man out of the number series? 18, 37, 76, 155, 314, 635 5649 05b5cc6a5e4d2b4197774cce0
5b5cc6a5e4d2b4197774cce0- 137false
- 2155false
- 3314false
- 4635true
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उत्तर : 4. "635"
व्याख्या :
Answer: D) 635 Explanation: Given Number series is 18 37 76 155 314 635 follows a pattern that, 18 18 x 2 +1 = 37 37 x 2 +2 = 76 76 x 2 +3 = 155 155 x 2 +4 = 314 314 x 2 +5 = 633 not 635 Hence, the odd man is 635.
प्र: व्यक्तिगत कंप्यूटर की सीपीयू गति है 5643 25b5cc66de4d2b4197774bff8
5b5cc66de4d2b4197774bff8- 11 MIPSfalse
- 2100 KIPSfalse
- 332 KIPStrue
- 432 MIPSfalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 3. "32 KIPS"
व्याख्या :
Answer: C) 32 KIPS व्याख्या: निर्देश प्रति सेकंड (IPS) कंप्यूटर के प्रोसेसर की गति का एक माप है। पर्सनल कंप्यूटर की CPU स्पीड 32 KIPS (किलो इंस्ट्रक्शन प्रति सेकंड) होती है।

