IIT JEE Practice Question and Answer
8Q: Biped : Quadruped :: Ostrich : ? 5590 05b5cc6b3e4d2b4197774d428
5b5cc6b3e4d2b4197774d428- 1Cattrue
- 2Rabbitfalse
- 3Tortoisefalse
- 4Ratfalse
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Answer : 1. "Cat"
Explanation :
Answer: A) Cat Explanation: A biped is an animal that uses two legs for walking and the quadrupeds are animals that use four legs for walking. From the Given options, Cat only have 4 legs. So Biped : Quadruped :: Ostrich : Cat.
Q: 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 ? 5588 05b5cc6eee4d2b4197774eebe
5b5cc6eee4d2b4197774eebe- 11hrfalse
- 21 hr 20 mintrue
- 31 hr 10 minfalse
- 450 minfalse
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Answer : 2. "1 hr 20 min"
Explanation :
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.
Q: A girl facing north rotates 100(degree) clockwise then 190(degree) anticlockwise. what is new direction of the girl ? 5588 05b5cc74ae4d2b4197774fa86
5b5cc74ae4d2b4197774fa86- 1North-Eastfalse
- 2Westtrue
- 3South-Eastfalse
- 4Southfalse
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Answer : 2. "West"
Explanation :
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.
Q: 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? 5588 05b5cc6b7e4d2b4197774d5d8
5b5cc6b7e4d2b4197774d5d8- 144 yrsfalse
- 256 yrsfalse
- 367 yrsfalse
- 478 yrstrue
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Answer : 4. "78 yrs"
Explanation :
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
Q: Which Word Does Not Belong with the Others 5580 05b5cc6b0e4d2b4197774d2c1
5b5cc6b0e4d2b4197774d2c1- 1VDUfalse
- 2Speakersfalse
- 3Plotterfalse
- 4Joysticktrue
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Answer : 4. "Joystick"
Explanation :
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.
Q: 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 ? 5558 05b5cc74ae4d2b4197774faa4
5b5cc74ae4d2b4197774faa4- 124 $false
- 222 $false
- 316 $true
- 414 $false
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Answer : 3. "16 $"
Explanation :
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 $.
Q: Onion Eating Festival is celebrated in which country ? 5539 05b5cc6bfe4d2b4197774da0f
5b5cc6bfe4d2b4197774da0f- 1Swedenfalse
- 2Thailandfalse
- 3New Delhifalse
- 4Spaintrue
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Answer : 4. "Spain"
Explanation :
Answer: D) Spain Explanation: Sweden - Potato Festival Thailand - Vegetarian Festival New Delhi - International Mango Festival Spain - Onion Eating Festival
Q: Find the odd man out of the number series? 18, 37, 76, 155, 314, 635 5536 05b5cc6a5e4d2b4197774cce0
5b5cc6a5e4d2b4197774cce0- 137false
- 2155false
- 3314false
- 4635true
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Answer : 4. "635"
Explanation :
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.

