GATE Practice Question and Answer
8Q: Two solutions have milk & water in the ratio 7:5 and 6:11. Find the proportion in which these two solutions should Be mixed so that the resulting solution has 1 part milk and 2 parts water ? 3536 05b5cc715e4d2b4197774f463
5b5cc715e4d2b4197774f463- 17 : 12false
- 28 : 13true
- 39 : 4false
- 42 : 5false
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Answer : 2. "8 : 13"
Explanation :
Answer: B) 8 : 13 Explanation: To get the solution that contains 1 part of milk and two parts of water,they must be mixed in the ratio as7x+6x/5y+11y = 1/226x = 16yx/y = 16/26x/y = 8/13
Q: A man pointing to a lady says, "Her brother is the father of my only son's sister." How is that lady related to the man ? 2326 05b5cc715e4d2b4197774f45e
5b5cc715e4d2b4197774f45e- 1sister of father-in-lawfalse
- 2daughter-in-lawfalse
- 3Sistertrue
- 4daughterfalse
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Answer : 3. "Sister"
Explanation :
Answer: C) Sister Explanation:
Q: Find the correct sentence from the following options ? 1573 05b5cc715e4d2b4197774f459
5b5cc715e4d2b4197774f459- 1The dacoits having stopped to divide the booty, the police had overtaken themfalse
- 2The dacoits being stopped to divide the booty, the police overtook them.false
- 3The dacoits having been stopped for dividing the booty, the police overtook themfalse
- 4The dacoits having stopped for dividing the booty, the police overtook themtrue
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Answer : 4. "The dacoits having stopped for dividing the booty, the police overtook them"
Explanation :
Answer: D) The dacoits having stopped for dividing the booty, the police overtook them Explanation: As it is the past continuous sentence.
Q: A train for Fathehpur leaves for every 2 hrs 30 min from Agra station. An announcement was made that train left 37 mins ago and next train comes at 17:00hrs. At what time was the announcement made ? 2082 05b5cc715e4d2b4197774f445
5b5cc715e4d2b4197774f445- 115:07 hrstrue
- 215:20 hrsfalse
- 315:05 hrsfalse
- 415:00 hrsfalse
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Answer : 1. "15:07 hrs"
Explanation :
Answer: A) 15:07 hrs Explanation: Next train comes at 17:00 hrs.So, last train will be = 17:00hrs - 2:30hrs= 14:30hrsAnnouncement made after 37 min of the last train.S0, 14:30hrs + 00:37 min= 15:07 hrs.
Q: It takes five minutes to pass a rumour from one person to two other persons. The tree of rumour continues. Find how many minutes does it take spread the rumour to 729 persons ? 6265 05b5cc715e4d2b4197774f44a
5b5cc715e4d2b4197774f44a- 145 minfalse
- 225 minfalse
- 330 mintrue
- 436 minfalse
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Answer : 3. "30 min"
Explanation :
Answer: C) 30 min Explanation: After 5 mins ..... 3 persons will get rumourAfter 10 mins .... 3x2 + 3 = 9 = 32 persons will get after 15 =5x3 min ......9x2 + 9 =27 = 33 persons will get news...after 5x6 mins ... 36 = 729 persons will get news. Therefore, time taken to spread the rumour to 729 persons is 30 minutes.
Q: Name the two Indian companies that have been named in the list of world's most ethical companies by American think tank Ethisphere Institute. 852 05b5cc715e4d2b4197774f440
5b5cc715e4d2b4197774f440- 1Dabur and Tatafalse
- 2Mahindra and Tatafalse
- 3Patanjali and Daburfalse
- 4Tata Steel and Wiprotrue
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Answer : 4. "Tata Steel and Wipro"
Explanation :
Answer: D) Tata Steel and Wipro Explanation: Two Indian companies, Tata SteelBSE and Wipro have been named in the list of world’s most ethical companies by American think tank Ethisphere Institute. Ethisphere honors those companies who recognize their role in society to influence and drive positive change in the business community and organizations around the world. In 2017, 124 honorees were spanning five continents, 19 countries, and 52 industry sectors. Wipro is one of the two information technology companies named in the list, the other being Xerox Corporation.
Q: Prashanth sold a album for $ 735 and made a profit of 22.5% . The cost price of the album went up by $120 and so Prashanth increased the selling price by $120. What is his profit % now ? 1308 05b5cc715e4d2b4197774f431
5b5cc715e4d2b4197774f431- 119.32 %false
- 218.75 %true
- 321.41 %false
- 422 %false
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Answer : 2. "18.75 %"
Explanation :
Answer: B) 18.75 % Explanation: Prashanth sold a album for $ 735 and made a profit of 22.5% .CP = 735 x 100/122.5 = Rs. 600New CP = 600 + 120 = Rs. 720New SP = 735 + 120 = Rs. 855. Profit = Rs. 135. profit % = 100 x 135/720 = 18.75%.
Q: In a certain language, SUPERMAN is coded as TTQDSLBM. How is SPIDERMAN coded in that language ? 7457 05b5cc715e4d2b4197774f427
5b5cc715e4d2b4197774f427- 1TOJCFQNZOtrue
- 2TOJCFSLBMfalse
- 3TOJCFONZOfalse
- 4TOJCOSLBMfalse
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Answer : 1. "TOJCFQNZO"
Explanation :
Answer: A) TOJCFQNZO Explanation: There is two sequence. S(odd) P(Even) I(odd) D(even) E(odd) R(even) M(odd) A(even) N(odd)For odd sequence, we want to write next alphabet of thatand for even, we want to write previous alphabet of that. TOJCFQNZO is the Answer.