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how to solve the parajumble

how do i solve games and tournaments?

what is the formula/shortcut for sum of the series where the diff of the consecutive terms is in Geometric progress. like 1+6+31+156+781+... nterms

find the coefficient of x^12 in the expansion of (1-x^6)^4(1-x)^-4. approach to solve these kind of questions

how should i choose easy questions in the di lr section? lyk m good at lr and start with reasoning questions but sometimes they are really difficult and i miss out on easy di questions

f(x) = max [2x+1, 3-4x]. Find min f(x)?

what are the use doing the double degree

how do i increase my score in lr

There are 12 holes made in the ground. At least 3 are to be filled with a red ball and the other holes can be filled with any color ball. In how many different ways can all the holes be filled from a box of 5 red balls and 10 mixed color balls?

What is the sum of the products: 1*2*3; 2*3*4; ….; 50*51*52?