GATE Practice Question and Answer
8Q: abcdefghijklmnopqrstuvwxyz Riddle What sentence contains all abcdefghijklmnopqrstuvwxyz? 1458 05b5cc6a8e4d2b4197774ce85
5b5cc6a8e4d2b4197774ce85- Show AnswerHide Answer
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Answer :
Explanation :
The Quick Brown Fox Jumped Over The Lazy Dog is the sentence which contains all 26 alphabets i.e, from a to z.
Q: Which compound contains ionic bonds? 1457 05b5cc639e4d2b4197774baac
5b5cc639e4d2b4197774baac- 1CaOtrue
- 2CO2false
- 3NO2false
- 4NOfalse
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Answer : 1. "CaO"
Explanation :
Answer: A) CaO Explanation: An ionic bond is a chemical bond between two atoms in which one atom seems to donate its electron to another atom. Here in the given compounds, the compound that contains ionic bond is CaO, Calcium oxide.
Q: 3 : 12 :: 5 : ? 1456 05b5cc6b9e4d2b4197774d702
5b5cc6b9e4d2b4197774d702- 117false
- 230true
- 326false
- 432false
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Answer : 2. "30"
Explanation :
Answer: B) 30 Explanation: 332 + 3 = 12552 + 5 = 30
Q: A, B and C started a business where their initial capital was in the ratio of 2:3:4. At the end of 6 months, A invested an amount such that his total capital became equal to C's initial capital investment. If the annual profit of B is Rs. 3000 then what is the total profit ? 1451 05b5cc6c4e4d2b4197774dcfb
5b5cc6c4e4d2b4197774dcfb- 1Rs. 8,640false
- 2Rs. 9,850false
- 3Rs. 10,000true
- 4Rs. 11,220false
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Answer : 3. "Rs. 10,000"
Explanation :
Answer: C) Rs. 10,000 Explanation: Ratio of investments of A, B & C = 2×6+4×6 : 3×12 : 4×12 = 36 : 36 : 48 = 6 : 6 : 8 But given that the annual profit of B is Rs. 3000 => 6 ratio = 3000 Then for the total annual profit of partners is 20 ratio = 3000 x 20/6 = 10,000.
Q: Uma sold an article for 3400 and got a profit of 25%. If he had sold the article for Rs. 3265. How much profit% would Uma have got ? 1451 05b5cc6c7e4d2b4197774deb4
5b5cc6c7e4d2b4197774deb4- 122%false
- 227%false
- 320%true
- 418%false
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Answer : 3. "20%"
Explanation :
Answer: C) 20% Explanation: Given 125% ---- 3400 => 100% ---- ? => ? = 3400x100/125 = 2720 => Cost price of the article = Rs. 2720 Profit when article sold at Rs. 3265 = 3265 - 2720 = 545 Hence, Profit% = Gain x 100/cost price => P% = 545 x 100/2720 => P% = 20%
Q: Two dice are rolled simultaneously. Find the probability of getting the sum of numbers on the on the two faces divisible by 3 or 4? 1448 05b5cc6bbe4d2b4197774d811
5b5cc6bbe4d2b4197774d811- 13/7false
- 27/11false
- 35/9true
- 46/13false
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Answer : 3. "5/9"
Explanation :
Answer: C) 5/9 Explanation: Here n(S) = 6 x 6 = 36 E={(1,2),(1,5),(2,1),(2,4),(3,3),(3,6),(4,2),(4,5),(5,1),(5,4),(6,3) ,(6,6),(1,3),(2,2),(2,6),(3,1),(3,5), (4,4),(5,3),(6,2)} => n(E)=20 Required Probability n(P) = n(E)/n(S) = 20/36 = 5/9.
Q: How many words can be formed with or without meaning by using three letters out of k, l, m, n, o without repetition of alphabets. 1447 05b5cc6abe4d2b4197774d058
5b5cc6abe4d2b4197774d058- 160true
- 2120false
- 3240false
- 430false
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Answer : 1. "60"
Explanation :
Answer: A) 60 Explanation: Given letters are k, l, m, n, o = 5 number of letters to be in the words = 3 Total number of words that can be formed from these 5 letters taken 3 at a time without repetation of letters = 5P3 ways. ⇒ 5P3 = 5 x 4 x 3 = 60 words.
Q: If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to _____ ? 1443 05b5cc6d9e4d2b4197774e853
5b5cc6d9e4d2b4197774e853- 1300 mtrue
- 230 mfalse
- 33 mfalse
- 40.3 mfalse
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Answer : 1. "300 m"
Explanation :
Answer: A) 300 m Explanation: h = = 3 × 108/106 = 300 m