IIT JEE प्रश्न और उत्तर का अभ्यास करें
8 प्र: 18 H on GC?
$$6 {4\over 9}$$ % ..???kkk
2839 05b5cc607e4d2b4197774b533
5b5cc607e4d2b4197774b533- 1sstrue
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उत्तर : 1. "ss"
व्याख्या :
The given letters equation states that 18 H on a GC means 18 Holes on a Golf Course.
प्र: '.bak' extension refers to what kind of file? 2839 05b5cc645e4d2b4197774bb9f
5b5cc645e4d2b4197774bb9f- 1Documentfalse
- 2Movie/Video filefalse
- 3Backup filetrue
- 4Audio filefalse
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उत्तर : 3. "Backup file"
व्याख्या :
Answer: C) Backup file Explanation: In computing, ".bak" is a filename extension commonly used to signify a backup copy of a file.
प्र: Entomology is the science that studies 2837 05b5cc6b8e4d2b4197774d689
5b5cc6b8e4d2b4197774d689- 1Insectstrue
- 2Behaviour of Human beignsfalse
- 3Scientific Namesfalse
- 4Formation of Rocksfalse
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उत्तर : 1. "Insects"
व्याख्या :
Answer: A) Insects Explanation: Entomology is the science branch of Zoology that studies Insects.
प्र: In what time will Rs. 3300 becomes Rs. 3399 at 6% per annum interest compounded half-yearly ? 2836 05b5cc701e4d2b4197774f175
5b5cc701e4d2b4197774f175- 1Quarter monthsfalse
- 2Half yeartrue
- 32 yearsfalse
- 41 yearfalse
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उत्तर : 2. "Half year"
व्याख्या :
Answer: B) Half year Explanation: 3300 ----- 3% ↑ (1st time interval, 99) → 3399. Here, time interval is given as half-yearly i.e. 6 months.
प्र: 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 ? 2831 05b5cc6cde4d2b4197774e1cc
5b5cc6cde4d2b4197774e1cc- 15%true
- 26%false
- 34%false
- 43%false
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उत्तर : 1. "5%"
व्याख्या :
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%.
प्र: एक पर्सनल कंप्यूटर की शब्द लंबाई है 2831 05b5cc642e4d2b4197774bb7c
5b5cc642e4d2b4197774bb7c- 132 bitfalse
- 216 bitfalse
- 38 bittrue
- 44 bitfalse
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उत्तर : 3. "8 bit"
व्याख्या :
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।
प्र: A supplier supplies cartridges to a news paper publishing house. He earns a profit of 25% by selling cartridges for Rs. 1540. Find the cost price of the Cartridges ? 2829 05b5cc741e4d2b4197774f9a9
5b5cc741e4d2b4197774f9a9- 1Rs. 1100false
- 2Rs. 1793.4false
- 3Rs. 1440false
- 4Rs. 1232true
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उत्तर : 4. "Rs. 1232"
व्याख्या :
Answer: D) Rs. 1232 Explanation: Let Cost Price(C.P) = Pgain% = {(S.P-C.P)/C.P} x 10025 = {(1540-P)/P} x 10025/100 = (1540-P)/P=> P = 4(1540)-4P=> 5P = 4(1540)=> P = 1232So, Cost Price = Rs. 1232
प्र: Simplify the following : 373+353+283-3x37x35x28372+352+282-37x35-35x28-37x28 ? 2826 05b5cc6cae4d2b4197774dffc
5b5cc6cae4d2b4197774dffc- 1100true
- 21false
- 34false
- 40false
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उत्तर : 1. "100"
व्याख्या :
Answer: A) 100 Explanation: Given 373+353+283-3x37x35x28372+352+282-37x35-35x28-37x28 It is in the form of a3+b3+c3-3abca2+b2+c2-ab-bc-ca= a + b + c Here a = 37, b = 35 & c = 28 => a + b + c = 37 + 35 + 28 = 100 Therefore, = 100