CAT Practice Question and Answer
8Q: Which pair of atoms has the highest electronegativity difference? (Calcium's electronegativity is 1.0 Fluorine's electronegativity is 4.0 Hydrogen's electronegativity is 2.2 Sodium's electronegativity is 0.93) 3803 05b5cc669e4d2b4197774bf7c
5b5cc669e4d2b4197774bf7c- 1F-Ffalse
- 2Ca-Ffalse
- 3H-Ffalse
- 4Na-Ftrue
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Answer : 4. "Na-F"
Explanation :
Answer: D) Na-F Explanation: F-F = 4 - 4 = 0 Ca-F = 4 - 1 = 3.0 H-F = 4 - 2.2 = 1.8 Na-F = 4 - 0.93 = 3.07 Hence, the highest electronegativity difference is in Na-F.
Q: The age of Sohail, Afzal and Bilal are 17,16 and 12 respectively. If the age of Aslam also included the average of the ages is increased by 5. What is the age of Aslam? 3802 05b5cc61ee4d2b4197774b77e
5b5cc61ee4d2b4197774b77e- 132false
- 233false
- 334false
- 435true
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Answer : 4. "35"
Explanation :
Answer: D) 35 Explanation: Given S = 17 yrs A = 16 yrs B = 12 yrs Average = 17 + 16 + 12/3 = 15 yrs Given if Aslam added to them, their average increases by 5 => Average of 4 members = 20 Let the age of Aslam be 'x' Then, 17 + 16 + 12 + x /4 = 20 => x = 80 - 45 => x = 35. Hence, the age of Aslam is 35 yrs.
Q: Which is NOT a good Web security strategy ? 3801 55b5cc6c1e4d2b4197774db6e
5b5cc6c1e4d2b4197774db6e- 1Remove unnecessary compilers and interpreterstrue
- 2Add demo programs, so users can test system without accessing production datafalse
- 3Limit the users who can load software, edit or add filesfalse
- 4Restrict access to the Web server keep a minimum number of ports openfalse
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Answer : 1. "Remove unnecessary compilers and interpreters"
Explanation :
Answer: A) Remove unnecessary compilers and interpreters Explanation:
Q: If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ? 3800 05b5cc723e4d2b4197774f672
5b5cc723e4d2b4197774f672- 145 metric tonnestrue
- 247 metric tonnesfalse
- 355 metric tonnesfalse
- 434 metric tonnesfalse
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Answer : 1. "45 metric tonnes"
Explanation :
Answer: A) 45 metric tonnes Explanation: 2 engines of former type for one hour consumes (2 x 24)/(6 x8) = 1 metric ton i.e. 3 engines of latter type consumes 1 ton for one hour Hence 9 engines consumes 3 tons for one hour For 15 hours it is 15 x 3 = 45 metric tonnes.
Q: What base is found in RNA but not in DNA? 3797 05b5cc60ae4d2b4197774b56d
5b5cc60ae4d2b4197774b56d- 1Uraciltrue
- 2Cytosinefalse
- 3Adeninefalse
- 4Guaninefalse
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Answer : 1. "Uracil"
Explanation :
Answer: A) Uracil Explanation: Uracil is not found in DNA but found in RNA.
Q: Each consonant in the word TIRADES is replaced by the previous letter in the English alphabet and each vowel is replaced by the next letter in the English alphabet and the new letters are arranged alphabetically. Which of the following will be the fourth from the right end ? 3797 05b5cc736e4d2b4197774f888
5b5cc736e4d2b4197774f888- 1Sfalse
- 2Qfalse
- 3Jtrue
- 4Ufalse
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Answer : 3. "J"
Explanation :
Answer: C) J Explanation: Given word is TIRADESNow the consonants T, R, D, S are replaced by S, Q, C, RAnd Vowels are I, A, E are replaced by J, B and FThey are arranged alphabeticallyNew word is BCFJQRS The fourth letter from the right end is J.
Q: Which among the following is a folk dance of India? 3796 05b5cc690e4d2b4197774c418
5b5cc690e4d2b4197774c418- 1Garbatrue
- 2Kathakalifalse
- 3Manipurifalse
- 4Mohiniattamfalse
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Answer : 1. "Garba"
Explanation :
Answer: A) Garba Explanation:
Q: 18 H on GC?
$$6 {4\over 9}$$ % ..???kkk
3784 05b5cc607e4d2b4197774b533
5b5cc607e4d2b4197774b533- 1sstrue
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Answer : 1. "ss"
Explanation :
The given letters equation states that 18 H on a GC means 18 Holes on a Golf Course.