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There are 10 pairs of socks in a cupboard from which 4 individual socks are picked at random, the probability that there is atleast 1 pair is?

What can be the maximum number of acute angles in an octagon in which all the interior angles are less than 180 degrees?plz explain solution.

i want the 25 mock test course nly with the analysis of the test also.. pls guide hw to tk it

how to find cube of a number using formula

Three people Mike, John and Peter can do a work together in 30 days. Mike and John together do twice the work done by Peter alone. Mike and Peter together do thrice the work done by John alone. Find the time taken to complete the project if John alone was working.

hi what should i do to boost my score in english in pre . i used to get 9 to 10 marks in every mock test

have anyone Percentage shortcut tricks?

how to find HCF of fractions ?

can u pls provide current affairs quizes

how to find square root of a number ending with 2,3,7,8? square root will always be an irrational number,is there any trick to find that number quickly?