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How many values can natural number n take, if n! Is multiple or 7^6 but not of 7^9 ? approach plz

Best way to prepare Vocabulary for CAT Exams?

how to solve indices and surds

In dashcat-17 Ravi has 30 balls which he want to distribute to 3 children such a way that each of them get diff no of balls. find the no of ways he distribute the balls. For this solution is given as a+b+c=30 (a,a,a)=1 (a,a,b)= (0,0,30) to (15,15,0) = 15*3=45 MY question is aren’t the values from 0-15 “16”. Please explain.

What is trick to solve sillogisms

What will be the remainders when 528^1567 is divided by 13 and 54 respectively?

A and B plays a game. They alternately roll a fair die and the first person to roll a 6 wins the game. If A starts, what is the probability of A wining the game?

In triangle ABC, medians BP and CQ are perpendicular to each other and intersect at R. If BP = 8 and CQ=12, what is the area of triangle ABC? Please give complete solution

In how many ways 1500 be written as a product of three integers? Considering +ve and -ve integers.

in actual cat 2002 question paper, the question(data sufficiency) - "is x=y" how can it be solved? wen i solved, i could also use statement B for solving, whereas in the key they used a diffrent method and i used a different one. the qn and d method i used for statement B is as follows: is x=y? A. (x+y)(1/x + 1/y)=4 B. (x-50)^2 = (y-50)^2 in statement B, y cant we take sq roots on both sides n then say tht x=y??? plz help