CAT Quantitative Aptitude | Quant Questions 2017- PaGaLGuY

Q61 detailed solution pls

Please help me with this question. TIA

Q.32 soln

Given that x is real & f(x) = f(x+1) + f(x-1).Determine the value of 'a' that will satisfy f(x) + f(x+a) = 0.

Q.

Any shortcut for this sum?

#C can be selected if and only if g is selected# does this statement imply that c may or may not be there if g is there but cannot be selected at all if g is not?

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10 digit positive integers are formed by using the digits 2 and 3 ,so that the integer has atleast one 2 and one 3 and no two 3s come together .how many of these integers are divisible by 3 ?


pl help with the approach .  Ans=> 45


How to do this one..

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Not able to solve by the approach that for second meeting the faster one will have the lead of 2 rounds and for the first meeting will have the lead of 1round. Ans is 4

As you all know, along with other sections like- Quants & Reasoning, English Vocab forms an important part of CAT. Word Power Made Easy is an excellent book to improve one's English vocabulary. However, a lot from vernacular medium find it difficult to read, and comprehend. Also, reading the book, and getting its drift takes quite some time. To help those, my friend, and I have planned to explain the book in Hindi. Here's the link of the first session on types of personalities: https://youtu.be/06NlE46p360 We shall regularly upload videos. Our video is free to watch, and will always be. Please do share it with those who may find it useful. Thank you.

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It takes the pendulum of a clock 7 seconds to strike 4 o’clock. How much time will it take to strike 11 o’clock?

what are the most important topics in quants?

Q18. Help required friends.