दिलेल्या जोडी प्रमाणे समान संबंध दर्शविणारा पर्याय निवडा - A. तत्वज्ञान: विज्ञान B. प्रबंध: विषय C. औदार्य : अरुंद - मानसिकता D. परिकल्पना: अनुमान

Mandatory and compulsory are synonyms (both mean required). Among the options, only hypothesis and supposition are synonyms (both mean an assumption to be tested). Generosity and narrow-mindedness are opposites, and the other pairs are unrelated.