……. sutra  is applicable for division when divisor is below basea.     Nikhilamb.    Urdhva tiryagbhyamamc.     Paravartya yojyetaNone of these

The question pertains to a specific concept in Vedic mathematics, particularly related to sutras (formulas) used for division.

1. Understanding Vedic Sutras: These are ancient Indian mathematical formulas that simplify arithmetic calculations.

2. Identifying the Correct Sutra:

   • Nikhilam: Generally used for multiplication but can indirectly relate to division in terms of finding complements.
   • Urdhva Tiryagbhyam: This sutra is applicable for both multiplication and division and deals with numbers represented in a vertical and crosswise manner. It is used for finding quotients when the divisor is less than the base.
   • Paravartya Yojyeta: This sutra is related to finding the quotient when the quotient and remainder are known.

3. Conclusion: Among the choices, the sutra that is specifically applicable for division when the divisor is less than the base is Urdhva Tiryagbhyam.

Final Answer

Urdhva Tiryagbhyam