CAT Practice Question and Answer
8Q: Munna and Chinna are partners in a firm out of which Munna is sleeping partner and Chinna is working partner. Munna invests Rs. 1,40,000 and Chinna invests Rs. 80,000. Chinna receives 14.5% of profit for managing the business and the rest is shared between both in ratio of their investments. Munna's share in the profit of Rs. 19600 is ? 2223 05b5cc6cae4d2b4197774e04a
5b5cc6cae4d2b4197774e04a- 1Rs. 9580.25false
- 2Rs. 10600false
- 3Rs. 10664.15true
- 4Rs. 11060.48false
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Answer : 3. "Rs. 10664.15"
Explanation :
Answer: C) Rs. 10664.15 Explanation: Profit received by Chinna as working partner = 14.5% of Rs. 19600 = 14.5x19600/100 = Rs. 2842 Balance in profit = 19600-2842 = Rs. 16758 Ratio of investment of Chinna & Munna = 80,000 : 1,40,000 = 4 : 7 Hence share of Chinna in investment = 4x16758/100 = Rs. 6093.85 Therefore, Share of Munna = 19600 - 2842 - 6093.85 = Rs. 10664.15
Q: Which statement fits the Frontier Ethic? 2223 15b5cc6b0e4d2b4197774d2bc
5b5cc6b0e4d2b4197774d2bc- 1Recycle plasticfalse
- 2Help those in needfalse
- 3He who has more toys winstrue
- 4Walk lightly on Earthfalse
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Answer : 3. "He who has more toys wins"
Explanation :
Answer: C) He who has more toys wins Explanation: Frontier Ethic is Spending Earth's assets at the cost of losing resource capital. A frontier ethic assumes that the earth has an unlimited supply of resources. It is the notion of disregarding the Earth for the benefit or gain of man. If resources run out in one area, more can be found elsewhere or alternatively human ingenuity will find substitutes. This attitude sees humans as masters who manage the planet. It is completely Anthropocentric.
Q: Which statement is NOT true about polymers? 2222 05b5cc696e4d2b4197774c541
5b5cc696e4d2b4197774c541- 1Polymers are large molecules composed of small monomeric unitsfalse
- 2Polymes are macromoleculesfalse
- 3Polymers are complex molecules composed of random sequences of atomstrue
- 4All the abovefalse
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Answer : 3. "Polymers are complex molecules composed of random sequences of atoms"
Explanation :
Answer: C) Polymers are complex molecules composed of random sequences of atoms Explanation: Polymers are complex molecules composed of random sequences of atoms is the only statement which is not true regarding polymers.
Q: In a Plane there are 37 straight lines, of which 13 pass through the point A and 11 pass through the point B. Besides, no three lines pass through one point, no lines passes through both points A and B , and no two are parallel. Find the number of points of intersection of the straight lines. 2221 05b5cc7d1e4d2b41977751281
5b5cc7d1e4d2b41977751281- 1525false
- 2535true
- 3545false
- 4555false
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Answer : 2. "535"
Explanation :
Answer: B) 535 Explanation: The number of points of intersection of 37 lines is C237. But 13 straight lines out of the given 37 straight lines pass through the same point A. Therefore instead of getting C213 points, we get only one point A. Similarly 11 straight lines out of the given 37 straight lines intersect at point B. Therefore instead of getting C211 points, we get only one point B. Hence the number of intersection points of the lines is C237-C213-C211 +2 = 535
Q: Find the odd man out of the following number sequence? 3, 5, 13, 43, 167 2221 05b5cc622e4d2b4197774b820
5b5cc622e4d2b4197774b820- 1167true
- 243false
- 313false
- 45false
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Answer : 1. "167"
Explanation :
Answer: A) 167 Explanation: The given number series is 3, 5, 13, 43, 167 3 3 x 1 + 2 = 5 5 x 2 + 3 = 13 13 x 3 + 4 = 43 43 x 4 + 5 = 177 (not equal to 167) Hence, the odd number in the given number sequence is 167.
Q: What is the next number in this series ? 4, 6, 12, 18, 30, 42, 60, ? 2220 05b5cc70be4d2b4197774f2f0
5b5cc70be4d2b4197774f2f0- 171false
- 272true
- 373false
- 469false
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Answer : 2. "72"
Explanation :
Answer: B) 72 Explanation: With close observation, you will note that each number in the list is in the middle of two prime numbers. Thus: 4 is in the middle of 3 and 5, 6 is in the middle of 5 and 7, 12 is in the middle of 11 and 13, 18 is in the middle of 17 and 19, 30 is in the middle of 29 and 31. 42 is in the middle of 41 and 43, 60 is in the middle of 59 and 61. Therefore, the next number would be the one that is in the middle of the next two prime numbers, which is 72 (which is in the middle of 71 and 73).
Q: If the positions of the first and the fifth digits of the number 14278359 are interchanged, similarly the positions of the second and the sixth digits are interchanged and so on, then which of the following will be the second digit from the right end after the rearrangement ? 2219 05b5cc758e4d2b4197774fc14
5b5cc758e4d2b4197774fc14- 15false
- 22true
- 37false
- 44false
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Answer : 2. "2"
Explanation :
Answer: B) 2 Explanation: Given number is 14278359As given 1st and 5th digits, 2nd & 6th, 3rd & 7th and 4th & 8th digits are to to be interchanged.Therfore, the rearranged number is 83591427Then, the second digit from the right end is 2.
Q: In a class there are certain no. of boys and girls. If 15 girls are absent then no. of boys will be twice that of girls. If 45 boys are absent then girls strength will be 5 times that of boys. Find number of boys actually present ? 2217 05b5cc715e4d2b4197774f41d
5b5cc715e4d2b4197774f41d- 140false
- 250true
- 355false
- 435false
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Answer : 2. "50"
Explanation :
Answer: B) 50 Explanation: 15 girls are absent => b = 2(g-15)...... eqn...(1) 45 boys are absent => g - 15 = 5(b-45).....eqn...(2) => g = 5(b-45) + 15 => b = 2((5(b-45)+15)-15) => b = 2(5b - 225 + 15 - 15) => b = 2(5b-225) => b = 10b - 450 => 9b = 450 => b = 50 so from equation(2) g - 15 = 5(b - 45) => g - 15 = 5(50-45) => g - 15 = 5(5) => g = 25 + 15 => g = 40 Therefore, the number of boys = 50 and girls = 40

