GATE Practice Question and Answer
8Q: CTRL + ] is used for 1831 05b5cc6a0e4d2b4197774ca3d
5b5cc6a0e4d2b4197774ca3d- 1Re-dofalse
- 2Right align textfalse
- 3Increase in font sizetrue
- 4Expand or collapse the ribbonfalse
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Answer : 3. "Increase in font size"
Explanation :
Answer: C) Increase in font size Explanation: CTRL + ] is a computer shortcut and is used for Increase in font size. Shortcuts : Re-do ---- Ctrl + Y Right align text ---- Ctrl + R Expand or collapse the ribbon ---- Ctrl + F1
Q: Which of the following is a Decomposition Reaction? 1831 05b5cc6a9e4d2b4197774ceca
5b5cc6a9e4d2b4197774ceca- 12HgO ----> 2Hg + O2false
- 26NaNO3 ----> 6NaNO2 + 3O2false
- 3ZnCO3 ----> ZnO + CO2false
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: All the given reactions are Decomposition reactions. Decomposition reaction is a reaction in which only one reactant is splitted into two or more products.
Q: The average of the ages of Sushanth, Krish and Rishi is 43 years and the average of the ages of Sushanth, Rishi and Rohit is 49 years. If Rohit is 54 years old, what is Krish's age ? 1830 05b5cc73de4d2b4197774f948
5b5cc73de4d2b4197774f948- 134 yearsfalse
- 226 yearsfalse
- 324 yearsfalse
- 436 yearstrue
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Answer : 4. "36 years"
Explanation :
Answer: D) 36 years Explanation: Let present ages of Sushanth = w, Krish = x, Rishi = y and Rohit = z , thenw + x + y = 43 x 3 = 129 ---(i) andw + y + z = 49 x 3 = 147 ---(ii)Subtracting (i) from (ii), (w+y+z) - (w+x+y) = 147 - 129 , z - x = 18 ---(iii)Given Rohit's age=z=54, so from (iii), x = 54 - 18 = 36.Therefore, Krish age is 36 years.
Q: If J is the interest on K and K is the interest on L, the rate and time is the same on both the cases. What is the relation between J, K and L ? 1830 05b5cc6d5e4d2b4197774e5d4
5b5cc6d5e4d2b4197774e5d4- 1J x J = KLfalse
- 2K x K= JLtrue
- 3L x L = JKfalse
- 4JKL = 1false
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Answer : 2. "K x K= JL"
Explanation :
Answer: B) K x K= JL Explanation: Let the Time be 'N' and Rate be 'R' J = (K x NR)/100 K = (L x NR)/100 J/K = NR/100 K/L = NR/100 J/K = K/L K x K = JL
Q: Find the Next Number in the given number series? 3, 10.5, 36.75, 128.625, ? 1829 05b5cc6bae4d2b4197774d7a8
5b5cc6bae4d2b4197774d7a8- 1450.187true
- 2442.151false
- 3441.231false
- 4456.852false
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Answer : 1. "450.187"
Explanation :
Answer: A) 450.187 Explanation: Pattern is 3 3 x 3.5 = 10.5 10.5 x 3.5 = 36.75 36.75 x 3.5 = 128.625 128.625 x 3.5 = 450.187
Q: Who has become the 1st woman player from Jharkhand who has been awarded Dhyan Chand Award 2017 ? 1828 05b5cc6c8e4d2b4197774df32
5b5cc6c8e4d2b4197774df32- 1Poonam Ranifalse
- 2Samurai Tetetrue
- 3Monika Malikfalse
- 4Navjot Kaurfalse
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Answer : 2. "Samurai Tete"
Explanation :
Answer: B) Samurai Tete Explanation: The Apex body for The national sport Hockey India pitched Jharkhand's Samurai Tete, former Team India skipper, for the Dhyan Chand Lifetime Achievement Award 2016. Sumrai Tete is a member of the India women's national field hockey team. She played with the team when it won the Gold at the Manchester 2002 Commonwealth Games.
Q: Which one of the following is not a prime number? 1828 05b5cc6a8e4d2b4197774ce5c
5b5cc6a8e4d2b4197774ce5c- 191true
- 271false
- 341false
- 431false
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Answer : 1. "91"
Explanation :
Answer: A) 91 Explanation: Prime Numbers :: Numbers which are divisible by only 1 and itself are Prime Numbers. It's answer will be 91. Because 91 can be divisible by 7,13,91,1. It is quite clear that prime number should be divisible only by itself and by 1.
Q: DNA is made of repeating units called 1827 05b5cc666e4d2b4197774bed5
5b5cc666e4d2b4197774bed5- 1Nucleotidestrue
- 2Ribozomesfalse
- 3Peptidesfalse
- 4Aminoacidsfalse
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Answer : 1. "Nucleotides"
Explanation :
Answer: A) Nucleotides Explanation: DNA is a very long chain polymer made up of thousands of repeating units called nucleotides. Nucleotide Unit is composed of a phosphate group, a pentose sugar, and a nitrogenous base. The sides of the DNA ladder are made up of alternating deoxyribose sugar -- phosphate group units.

