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number of non negative integral solutions for a+b+c = 71 where a>b>c

when we apply this formula n+r-1Cr-1

what is the concept behind to find the minimum value

what is the concept behind to find the minimum value

what is the concept behind to find the minimum value

i have been regularly score 150-160 in nmat, score 45 in english weak in vocab barely score 2-3 answers correct out of 10 and grammar i leave rcs in nmat because it take too much time and unable to solve implicit questions in logical reasoning part, i have no idea about these questions..in quant sometimes i score 90+ , 70-75 and sometimes 50 based on difficulty level.

In an isosceles triangle ABC with AB=AC, AD and AE trisects BC such that BD = DE = EC. IF angle DAE is equal to angle ABC and the area of triangle ABC is equal to , then find AC.

If x, y , z are three distinct positive real numbers such that x+ y+ z= 1 then the values of (1/x - 1)(1/y -1 ) (1/z - 1) is? (Answer is 8)

There is a lot of interest in the first five ranks Class XI students. One student guessed the rank order as Ankita, Bhagyashree, Chanchal, Devroopa and Esha. Later upon announcement of the results, it was found that not only did he get each student out off her true position, none of the students in his ranking correctly followed her immediate predecessor. Another student guessed Devroopa, Ankita, Esha, Chanchal and Bhagyashree. Even his guess was wrong. It was found that he had got two positions correct, and two students in his ranking correctly followed their immediate predecessors. Which of the following is true about the correct rank order? A. Ankita got the third position B. Bhagyashree got the fourth position C. Chanchal got the second position D. Dev roop a stood first E. Esha got the fourth position

4 friends R, S, B, D are playing a board game. R and D are partners and are sitting opposite to each other. S is sitting to the left of D. If R is facing North, which direction is S facing?