GATE Practice Question and Answer
8Q: If (1 × 2 × 3 × 4 ........ × n) = n!, then 15! - 14! - 13! is equal to ___? 2961 05b5cc6bee4d2b4197774d997
5b5cc6bee4d2b4197774d997- 114 × 13 × 13!false
- 215 × 14 × 14!false
- 314 × 12 × 12!false
- 415 × 13 × 13!true
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Answer : 4. "15 × 13 × 13!"
Explanation :
Answer: D) 15 × 13 × 13! Explanation: 15! - 14! - 13! = (15 × 14 × 13!) - (14 × 13!) - (13!) = 13! (15 × 14 - 14 - 1) = 13! (15 × 14 - 15) = 13! x 15 (14 - 1) = 15 × 13 × 13!
Q: If a2+b2 = c2 , then 1logc+ab + 1logc-ab = ? 2961 15b5cc761e4d2b4197774fd67
5b5cc761e4d2b4197774fd67- 11false
- 22true
- 34false
- 48false
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Answer : 2. "2"
Explanation :
Answer: B) 2 Explanation: Given a2 + b2 = c2 Now 1logc+ab + 1logc-ab = logbc+a + logbc-a = logbc2-a2 = 2logbb = 2
Q: एक पर्सनल कंप्यूटर की शब्द लंबाई है 2960 05b5cc642e4d2b4197774bb7c
5b5cc642e4d2b4197774bb7c- 132 bitfalse
- 216 bitfalse
- 38 bittrue
- 44 bitfalse
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Answer : 3. "8 bit"
Explanation :
Answer: C) 8 bit व्याख्या: शब्द की लंबाई कंप्यूटर के सीपीयू द्वारा एक बार में संसाधित बिट्स की संख्या को संदर्भित करती है। इन दिनों, आमतौर पर 32 बिट या 64 बिट का उपयोग किया जाता है। डेटा बस आकार, निर्देश आकार, पता आकार आमतौर पर शब्द आकार के गुणक होते हैं।
Q: Which acid is produced when milk gets sour? 2960 05b5cc69de4d2b4197774c8c6
5b5cc69de4d2b4197774c8c6- 1Lactic acidtrue
- 2Acetic acidfalse
- 3Tartaric acidfalse
- 4Butyric acidfalse
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Answer : 1. "Lactic acid"
Explanation :
Answer: A) Lactic acid Explanation:
Q: Choose the Antonym of the given word from the following options 'Jettison' 2953 05b5cc761e4d2b4197774fd02
5b5cc761e4d2b4197774fd02- 1Salvagetrue
- 2Submergefalse
- 3Repentfalse
- 4Descendfalse
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Answer : 1. "Salvage"
Explanation :
Answer: A) Salvage Explanation: 'Jettison' means to discard and 'salvage' means to rescue something discarded. Hence, 'salvage' is the word which is farthest in meaning to the given word 'Jettison'.
Q: At a certain rate of interest the compound interest of 3 years and simple interest of 5 years for certain sum of money is respectively Rs. 1513.2 and Rs. 2400. Find the common rate of interest per annum ? 2953 05b5cc6cde4d2b4197774e1cc
5b5cc6cde4d2b4197774e1cc- 15%true
- 26%false
- 34%false
- 43%false
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Answer : 1. "5%"
Explanation :
Answer: A) 5% Explanation: Given compound interest for 3 years = Rs. 1513.2 and simple interest for 5 years = Rs. 2400 Now, we know that C.I = P1+R100n - 1 => 1513.2 = P1+R1003 - 1 ...........(A) And S.I = PTR/100 => 2400 = P5R/100 ..................(B) By solving (A) & (B), we get R = 5%.
Q: Running 3/4th of his usual rate, a man is 15min late. Find his usual time in hours ? 2950 05b5cc6d8e4d2b4197774e782
5b5cc6d8e4d2b4197774e782- 12/3 hrsfalse
- 23/4 hrstrue
- 31/3 hrsfalse
- 41/4 hrsfalse
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Answer : 2. "3/4 hrs"
Explanation :
Answer: B) 3/4 hrs Explanation: Walking at 3/4th of usual rate implies that time taken would be 4/3th of the usual time. In other words, the time taken is 1/3rd more than his usual time so 1/3rd of the usual time = 15minor usual time = 3 x 15 = 45min = 45/60 hrs = 3/4 hrs.
Q: 11 letter Indian city is I am Hints :: 2,4,10 is a Unit of Length . Last 6 letters is a Fruit Name. 9,5,3 is a Soap Name. 1,8,3 is used by a Student 7,8,3 letters is a Bird Name. 6,7,5,3 is an organ in the Face. From the above given Hints Find that Indian City Name? 2948 05b5cc6b6e4d2b4197774d59d
5b5cc6b6e4d2b4197774d59d- Show AnswerHide Answer
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Answer :
Explanation :
PONDICHERRY is the Indian City with 11 Letters. Fruit Name : CHERRY Soap Name : RIN Bird Name : HEN Organ : CHIN Used by Student : PEN