Question

dictionary rank of REKHA
​

Answer 1

Answer:

907200

Step-by-step explanation:

We know that words listed before starting with E = words started with A only,

Because there is no B,C or D.

|_|_।_।_।_।_।_।_।_।_।_।

A 《 --- 10 letters--》

i.e. E,X,A,M,I-2,N-2,T,O.

Here 2 letters N & T are repeated twice.

So the no. Of words that can be formed according to given statement in the question=

10! 10×9×8×7×6×5×4×3 ×2

----= -----------------------------------

2! × 2! 2×1×2×1

=10×9×8×7×6×5×2×3

=9,07,200

Answer 2

Answer:

mark me as brainlist first

Step-by-step explanation: