NCERT | Combination | Figure It Out | Pg.43 | Q11 — task. Maths CBSE Live product, Class 8 (2026-27).

A digital locker has an alphanumeric (it can have both digits and letters) passcode of 7length. How many such codes are possible?

Ans: Exponential form of such codes - Without reducing form

i^{i}

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8. NCERT | Combination | Figure It Out | Pg.43 | Q11