CAT Practice Question and Answer
8Q: P, Q, R, S, T and U are six consecutive odd numbers and their average is 52. What is the product of P and U ? 2556 05b5cc6b9e4d2b4197774d711
5b5cc6b9e4d2b4197774d711- 12212false
- 22154false
- 32349false
- 42679true
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Answer : 4. "2679"
Explanation :
Answer: D) 2679 Explanation: Let x, x+2, x+4, x+6, x+8 and x+10 are six consecutive odd numbers. Given that their average is 52 Then, x + x+2 + x+4 + x+6 + x+8 + x+10 = 52×6 6x + 30 = 312 x = 47 So Product = 47 × 57 = 2679
Q: Eye Test Logical Challenge 2556 05b5cc6d2e4d2b4197774e47b
5b5cc6d2e4d2b4197774e47b- 115true
- 214false
- 316false
- 417false
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Answer : 1. "15"
Explanation :
Answer: A) 15 Explanation:
Q: Find the missing number in the given number series? 514, 470, ?, 415, 404 2553 05b5cc6a9e4d2b4197774cf19
5b5cc6a9e4d2b4197774cf19- 1441false
- 2437true
- 3426false
- 4420false
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Answer : 2. "437"
Explanation :
Answer: B) 437 Explanation: Given number series is 514 470 ? 415 404 Here the pattern it follows is 514 514 - 44 = 470 470 - 33 = 437 437 - 22 = 415 415 - 11 = 404 Hence, the missing number in the given number series is 437.
Q: For Galvanizing Iron which of the following Metals is used? 2551 05b5cc6b1e4d2b4197774d33c
5b5cc6b1e4d2b4197774d33c- 1Zinctrue
- 2Leadfalse
- 3Aluminiumfalse
- 4Copperfalse
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Answer : 1. "Zinc"
Explanation :
Answer: A) Zinc Explanation: Zinc metal is used for Galvanizing Iron. Galvanization or Galvanizing :: Galvanization is the process of applying a protective zinc coating to steel or iron, to prevent rusting. Most common method of Galvanization is Hot-Dip Galvanizing in which parts are submerged in a bath of molten zinc.
Q: Ayush was born two years after his father's marriage. His mother is five years younger than his father but 20 years older than Ayush who is 10 years old. At what age did the father get married ? 2548 05b5cc71be4d2b4197774f50d
5b5cc71be4d2b4197774f50d- 125 yearsfalse
- 224 yearsfalse
- 323 yearstrue
- 422 yearsfalse
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Answer : 3. "23 years"
Explanation :
Answer: C) 23 years Explanation: Ayush's present age = 10 years.His mother's present age = (10 + 20) years = 30 years.Ayush's father's present age = (30 + 5) years = 35 years.Ayush's father's age at the time of Ayush's birth = (35 - 10) years = 25 years. Therefore Ayush's father's age at the time of marriage = (25 - 2) years = 23 years.
Q: Which of the following is not an Output device? 2547 05b5cc6abe4d2b4197774cffc
5b5cc6abe4d2b4197774cffc- 1Scannertrue
- 2Moniterfalse
- 3Printerfalse
- 4Speakersfalse
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Answer : 1. "Scanner"
Explanation :
Answer: A) Scanner Explanation:
Q: A contractor undertook to complete a piece of work in 120 Days and employed 140 men upon it. At the end of 66 days only half of the work was done,so he put on 25 extra men. By how much time did he exceed the specific time ? 2546 05b5cc709e4d2b4197774f2ad
5b5cc709e4d2b4197774f2ad- 12 daystrue
- 23 daysfalse
- 34 daysfalse
- 45 daysfalse
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Answer : 1. "2 days"
Explanation :
Answer: A) 2 days Explanation: work done=total number of person x number of days;half of work done = 140 x 66;For half of remaining work 25 extra men are added.Therefore, total men for half work remaining = 140 + 25 = 165;Let 2nd half work will be completed in K days;140 x 66 = 165 x KK = 122;Hence, extra days => 122-120 = 2days.
Q: Impulse conduction is fastest in neurons that are 2546 05b5cc626e4d2b4197774b84b
5b5cc626e4d2b4197774b84b- 1Myelinatedtrue
- 2Motorfalse
- 3Unmyelinatedfalse
- 4Sensoryfalse
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Answer : 1. "Myelinated"
Explanation :
Answer: A) Myelinated Explanation: A myelinated nerve can be found int the brain or spinal cord as well as the peripheral nervous system, it is white and is surrounded by schwann cells or oligodendrocytes.

