CAT Practice Question and Answer
8Q: Rajeev start a business with Rs. 10000, Deepu joins him after 2 month with 20% more investment than Rajeev, after 2 month Shakti joins him with 40% less than Deepu. If the profit earned by them at the end of the year is equal to the twice of the difference between investment of Rajeev and ten times the investment of Shakti. Find the profit of Rajeev ? 5132 05b5cc6c6e4d2b4197774de2c
5b5cc6c6e4d2b4197774de2c- 150000false
- 248000false
- 338000true
- 440000false
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Answer : 3. "38000"
Explanation :
Answer: C) 38000 Explanation: Here from the given information, The ratio of investments of Rajeev, Deepu & Shakti is R : D : S = (10000 × 12) : (12000 × 10) : (7200 × 8) = 25 : 25 : 12 Now the Profit = 2 × (72000-10000) = 124000 Share of Rajeev = 124000 x 25/62 = 48000 Profit of Rajeev = 48000 - 10000 = 38000
Q: Iodine test is used to detect 5128 05b5cc699e4d2b4197774c741
5b5cc699e4d2b4197774c741- 1Carbohydratetrue
- 2Fatfalse
- 3Proteinfalse
- 4Cholesterolfalse
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Answer : 1. "Carbohydrate"
Explanation :
Answer: A) Carbohydrate Explanation: The iodine test is used to test for the presence of starch i.e, Carbohydrate.
Q: Find out the wrong number in the following series: 5, 15, 30, 80, 180, 540, 1080 5113 05b5cc70ee4d2b4197774f376
5b5cc70ee4d2b4197774f376- 1540false
- 2180false
- 330false
- 480true
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Answer : 4. "80"
Explanation :
Answer: D) 80 Explanation: There should be 90 instead of 80so we can have a series5, 5x3, 15x2, 30x3, 90x2, 180x3, 540x2 and 1080x3 and so on...
Q: Find the Odd One Out of the following Number Series? 3, 14, 36, 67, 113, 168 5106 05b5cc6b1e4d2b4197774d34b
5b5cc6b1e4d2b4197774d34b- 114false
- 236false
- 367true
- 4113false
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Answer : 3. "67"
Explanation :
Answer: C) 67 Explanation: Here the given number series is 3, 14, 36, 67, 113, 168 It follows a pattern that 3 3 + 1 x 11 = 3 + 11 = 14 14 + 2 x 11 = 14 + 22 = 36 36 + 3 x 11 = 36 + 33 = 69 69 + 4 x 11 = 69 + 44 = 113 113 + 5 x 11 = 113 + 55 = 168 Hence, the wrong number is 67.
Q: 19 persons do 19 programs in 19 hours . If they take 15 mins interval and then how much time they need to do 52 programs. 5096 05b5cc754e4d2b4197774fb6d
5b5cc754e4d2b4197774fb6d- 123 hoursfalse
- 247 hrs 15 minfalse
- 352 hrs 15 mintrue
- 422 hrs 15 minfalse
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Answer : 3. "52 hrs 15 min"
Explanation :
Answer: C) 52 hrs 15 min Explanation: Since they can do 19 programs in 19 hours, Then 52 programs in 52 hours respectively.And a 15 min intervalTotal time they take to do 52 programs is 52 hours 15 minutes.
Q: If 9 = 63 8 = 48 7 = 35 Then 4 = ? 5091 05b5cc696e4d2b4197774c56a
5b5cc696e4d2b4197774c56a- 14false
- 28true
- 312false
- 416false
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Answer : 2. "8"
Explanation :
Answer: B) 8 Explanation: Here given that 9 = 63, 8 = 48, 7=35, ... The given question follows a pattern that 9 x (9 - 2) = 9 x 7 = 63 8 x (8 - 2) = 8 x 6 = 48 7 x (7 - 2) = 7 x 5 = 35 Similarly, 4 x (4 - 2) = 4 x 2 = 8.
Q: Find the next number in the series 141,137,146,130,155,119,... 5088 05b5cc771e4d2b4197774ffc1
5b5cc771e4d2b4197774ffc1- 1147false
- 2168true
- 3162false
- 4182false
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Answer : 2. "168"
Explanation :
Answer: B) 168 Explanation: The pattern is -4, +9,-16, +25, -36 The next number=119+49=168
Q: In certain language, CHAMPION is coded as HCMAIPNO, how is NEGATIVE coded in that code ? 5026 05b5cc77fe4d2b41977750197
5b5cc77fe4d2b41977750197- 1NEAGVEITfalse
- 2ENAGITEVtrue
- 3MGAETVIEfalse
- 4EGAITEVNfalse
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Answer : 2. "ENAGITEV"
Explanation :
Answer: B) ENAGITEV Explanation: The letters of the word are reversed in order, taking two at a time, to obtain the code.