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Subject :IMO    Class : Class 7

How many such pairs of letters are there in the word CLASSROOM each of which has as many letters between them in the word as there are between them in the English alphabet?

A Three
B Five
C Four
D Two


Ans 1:

Class : Class 10
there will be 3

Ans 2:

Class : Class 8
there are 4 pairs- ss,oo,ca,rs

Ans 3:

Class : Class 8
There will actually be 6 pairs, SS, OO, MO, RS, MS, AC

Ans 4:

Class : Class 7
There will be 3 pairs

Ans 5:

Class : Class 10
CA,RS,OM

Ans 6:

Class : Class 8
There will be 2 pairs - CA, RS

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