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Basics of Permutation (in Hindi)
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Permutations (basic)

Kirtika Katiyar
Selected as a Bank of India Credit Officer,,I.C.W.A.-C.A.T (A.I.R-4), reading novels, listening songs, watching movies,i

Unacademy user
sir I appreciate ur efforts...yes we can read.....but explanation is the key sir....when u read's a cumulative effect we r reading listening n watching...n it's getting imprinted in our memory.,.. please continue reading sir....if u can..
in love with your voice mam
Mam thanx for this course it very helpful but in last que there was some wrong ans. when repetition allowed and between word given in que then how can be made 108 ways? there should be 90 ways. bcoz me are not allowed to make 300.
mam last question me 3*6*6 Kiya Aapne . lekin is trah to isme 300 digit v form ho jygi . but no.s we need is between 300 and 700
Sahil kaushal
2 years ago
in 2nd last ques. answer should be 108-1=107 & in last ques. ans. should be 108-2=106.
I think last que. me between hai and repetition allowed hai toh 108 ki jgh 90 ans. aana chahiye.
AAA BBB CCC ka kya his