# QA 180 Days 2 CAT 2017

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R > Q > Z > W > N

R= Real

Q= Rational

Z= Integer

W= Whole

N= Natural

What is Q^C ?

A two digit number is taken and the two digits of the number are multiplied. This process is continued till a single digit number is obtained. What is the probability that the single digit number is 0? Options: 1/6, 8/45, 4/15, 11/45 Approach please?

Solution and approacg?

How many integers exist such that not only they are multiples of 2008^2008 but are also factors of 2008^2020? 1. 12 2. 481 3. 587 4. 2008^12

What is the radius of the biggest possible circle that can be inscribed in a sector of radius 10 cm and a central angle of 120degree?

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