Assertion (A):: Most of the rivers in the North Indian plain experience flooding during the summer seasons. Reason (R1):The rivers mostly originate in the Himalayas and are fed by the melting snow. Reason (R2):The rivers are fed by the monsoon rains in the summer months.

• A. If only reason 1 (R1) and not reason 2 (R2) is the reason for the assertion (A).
• B. If only reason 2 (R2) and not reason 1 (R1) is the reason for the assertion (A).
• C. If both (R1) and (R2) are reasons for the assertion (A).
• D. If neither (R1) nor (R2) is the reason for the assertion (A).