GATE Practice Question and Answer
8Q: Pointing towards a photograph kiran said to chotu, "I am the only daughter of this lady and her son is your maternal uncle " How is the kiran related to chotu's father ? 2378 05b5cc6d9e4d2b4197774e862
5b5cc6d9e4d2b4197774e862- 1Cousinfalse
- 2Daughterfalse
- 3Sisterfalse
- 4Wifetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Wife"
Explanation :
Answer: D) Wife Explanation: So, the speaker is the mother of chotu. Kiran is wife of chotu's father. Chotu's father is not shown in the diagram.
Q: What can you catch but not throw? 2372 05b5cc6a3e4d2b4197774cc04
5b5cc6a3e4d2b4197774cc04- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
A cold or flu illness.
Q: The difference between the time taken by two trains to travel a distance of 350 km is 2 hours 20 minutes. If the difference between their speeds is 5 km/hr, what is the speed of faster train ? 2372 05b5cc6c9e4d2b4197774df6a
5b5cc6c9e4d2b4197774df6a- 136 kmphfalse
- 230 kmphtrue
- 334 kmphfalse
- 440 kmphfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "30 kmph"
Explanation :
Answer: B) 30 kmph Explanation: Let the speed of the faster train be 'S' kmph Then speed of the slower train will be '(S-5)' kmph Time taken by faster train = 350/S hrs Time taken by slower train = 350/(S-5) hrs 350s-5 - 350s = 2 hrs 20 min = 213 = 73 => S = 30 km/hr.
Q: Which of the following has the highest frequency? 2370 05b5cc698e4d2b4197774c62c
5b5cc698e4d2b4197774c62c- 1Cosmic raystrue
- 2X-raysfalse
- 3Radio wavesfalse
- 4Microwavesfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Cosmic rays"
Explanation :
Answer: A) Cosmic rays Explanation:
Q: A circular piece of thin wire is converted into a rhombus of side 11 cm. Find the diameter of the circular piece? 2367 05b5cc6bbe4d2b4197774d85d
5b5cc6bbe4d2b4197774d85d- 128 cmfalse
- 23.5 cmfalse
- 37 cmfalse
- 414 cmtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "14 cm"
Explanation :
Answer: D) 14 cm Explanation: Circular piece is 4 x 11 = 44 cm long, Then Circumference of circle is given by, 44 = pi x D, where D is the diameter D = 44 / pi Take pi = 22 / 7, then D = 44 / (22/7) = (44 x 7) / 22 D = 14 cm.
Q: Is blood homogeneous or heterogeneous? 2365 05b5cc626e4d2b4197774b86f
5b5cc626e4d2b4197774b86f- 1Homogeneousfalse
- 2Heterogeneoustrue
- 3Both A & Bfalse
- 4None of the abovefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Heterogeneous"
Explanation :
Answer: B) Heterogeneous Explanation: Blood is a heterogeneous mixture because the blood cells are physically separate from the blood plasma. The cells have different properties than the plasma. The cells can be separated from the plasma by centrifuging, which is a physical change.
Q: Which solution is most concentrated? 2364 05b5cc615e4d2b4197774b6ce
5b5cc615e4d2b4197774b6ce- 16 g of solute in 10 ml of solutionfalse
- 220.5 g of solute in 50 ml of solutionfalse
- 330 g of solute in 120 ml of solutionfalse
- 42.6 g of solute in 2 ml of solutiontrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "2.6 g of solute in 2 ml of solution"
Explanation :
Answer: D) 2.6 g of solute in 2 ml of solution Explanation: A concentrated solution will contain the most solute molecules per solvent molecules. Here in the given options, 1) 6/10 = 0.6 2) 20.5/50 = 0.41 3) 30/120 = 0.25 4) 2.6/2 = 1.3 Hence, option D) is most concentrated.
Q: There are 600 Kabaddi players 4% wear knee band on one leg. Of the remaining, 25% wear knee bands on both legs. How many players don't wear a knee band ? 2364 05b5cc741e4d2b4197774f9db
5b5cc741e4d2b4197774f9db- 1426false
- 2428false
- 3415false
- 4432true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "432"
Explanation :
Answer: D) 432 Explanation: There are 600 Kabaddi players4% wear knee band on one legRemaining players = 600 x 0.96 = 576Of the remaining, 25% wear knee bands on both leg and Of the remaining, 75% do not wear knee bands .So players not wearing knee bands = 0.75 x 576 = 576 x 3/4 = 144 x 3 = 432.

