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Difference between interior & exterior angle of a polygon is 100 degree. number of sides of polygon will be?

Vaibhav was writing the cat exam . there were four passages of equal length and they had 5, 8, 8 and 6 questions respectively. he can answer exactly 12 question in time he takes to read any one of the four passages. assume that his rate of reading and answering questions remains the same across all the four passages. by what % should he increase his speed in order to cutdown his time by 10%

In a recent survey conducted in a city, it was found that among three hundred houses which had burglar alarms, a burglary attempt was made only in one house, during the last three years. This clearly proves that fitting houses with burglar alarms is an effective deterrent to burglary.

Which among the following, if true, exposes the most serious flaw in the above conclusion?

(A) In the houses which had manual security during the day, the burglar alarms were activated only during nights.

(B) The bugler alarms were fitted in such a manner that their presence was not noticeable to outsiders.

(C) The burglaries were committed usually only during nights.

(D) The three year survey period saw a spurt in robberies and attempted robberies in the city.

Sir I am facing problem in RC, I am performing very badly in it. What should I do to improve it?

hlo sir...
in the quants video.....there is no video for percentage topic
is there percentage topic is not in CAT exam?

39852/root x =81*12

dear sir, please add some test series for electrical engineering compitative exams. currently Vizag steel plant, NCL exams are there

I have purchased 9999 course for my CAT preparation. When and how it's going to work? I m not getting it

topic test what package?

If I'll purchase the Course Test series and daily target worth 2499.... after that will I be able to attempt the previous daily targets with video solution?