GATE Practice Question and Answer
8Q: A bag contains 3 red balls, 5 yellow balls and 7 pink balls. If one ball is drawn at random from the bag, what is the probability that it is either pink or red? 1853 05b5cc6a9e4d2b4197774cef6
5b5cc6a9e4d2b4197774cef6- 12/3true
- 21/8false
- 33/8false
- 43/4false
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Answer : 1. "2/3"
Explanation :
Answer: A) 2/3 Explanation: Given number of balls = 3 + 5 + 7 = 15 One ball is drawn randomly = 15C1 probability that it is either pink or red = 7C1 + 3C115C1 = 7 + 315 = 1015 = 23
Q: Book is to chapter as organization is to 1853 05b5cc68ee4d2b4197774c3e9
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Answer :
Explanation :
A book is consists of various chapters, so as the Organization consists of various departments. Therefore if Book is to chapter so organization is to department. Hence, Book : Chapter :: Organisation : Department.
Q: 2/3 as a decimal 1853 05b5cc651e4d2b4197774bcf4
5b5cc651e4d2b4197774bcf4- 10.47false
- 26.77false
- 30.67true
- 40.07false
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Answer : 3. "0.67"
Explanation :
Answer: C) 0.67 Explanation: To convert a fraction into decimal, just take the number on top which we called the numerator and divide it by the number at the bottom which we called the denominator. 2/3 How it comes : 2 ÷ 3 = 0 bring down the decimal point. 20 ÷ 3 = 6 and carry the remainder 2 to make 20 20 ÷ 3 = 6 and carry the remainder 2 to make 20 20 ÷ 3 = 6 and carry the remainder 2 to make 20 etc... This gives the recurring decimal 0.6666... If we round off to two decimals , then it becomes 0.67. Hence, decimal fraction of 2/3 = 0.67.
Q: Find the next number in the series 265, 269, 278, 284, ? 1852 05b5cc767e4d2b4197774fdf7
5b5cc767e4d2b4197774fdf7- 1309true
- 2319false
- 3298false
- 4415false
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Answer : 1. "309"
Explanation :
Answer: A) 309 Explanation: The pattern in the given series is +4, +9, +16, +25, ... i.e. 22,32,42,52... The next number is 284+25 = 309.
Q: Economic resources are also called 1851 05b5cc66de4d2b4197774bfb5
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Answer :
Explanation :
Economic resources include land, labour, capital and entrepreneurship. Entrepreneurship is also considered an economic resource because individuals are responsible for creating businesses and moving economic resources in the business environment. These economic resources are also called as Factors of production.
Q: Modem is used mostly for ? 1850 05b5cc69be4d2b4197774c7c8
5b5cc69be4d2b4197774c7c8- 1A modern empty memory modulesfalse
- 2Connecting to internettrue
- 3Mostly for file systemfalse
- 4All the abovefalse
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Answer : 2. "Connecting to internet"
Explanation :
Answer: B) Connecting to internet Explanation: A modem is nothing but short for Modulator and Demodulator. It is used mostly for connecting to the internet. A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves.
Q: Q = mc∆T refers to 1850 05b5cc64de4d2b4197774bcb7
5b5cc64de4d2b4197774bcb7- 1Enthalpy formulafalse
- 2Heat Transfer formulafalse
- 3Specific Heat formulatrue
- 4Heat of Vaporizationfalse
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Answer : 3. "Specific Heat formula"
Explanation :
Answer: C) Specific Heat formula Explanation: Q = mc∆T refers to Specific Heat formula. When heat energy is added to a substance, the temperature will change by a certain amount. The relationship between heat energy and temperature is different for every material, and the specific heat is a value that describes how they relate. Q = mc∆T Q = heat energy (Joules, J) m = mass of a substance (kg) c = specific heat (units J/kg∙K) ∆T = change in temperature (Kelvins, K)
Q: Organisms need Nutrients in order to 1850 05b5cc6b6e4d2b4197774d583
5b5cc6b6e4d2b4197774d583- 1Breaking down foodtrue
- 2Utilize chemical compoundsfalse
- 3recyclingfalse
- 4Nonefalse
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Answer : 1. "Breaking down food"
Explanation :
Answer: A) Breaking down food Explanation: Nutrients are necessary for break down the food and supply energy to the organisms and to carry out essential life functions. Important nutrients are Hydrogen, Carbon and Oxygen. Some more important nutrients for plants are : Potassium, Sulphur, Nitrogen, Phosphorous, Calcium and Magnesium.

