1.  The number of candidates passed from institute S and P together exceeds the number of candidates enrolled from institute T and R together by :

A. 228
B. 279
C. 399
D. 407

Answer: Option C

Explanation:

Required difference :

= [(16% + 18%) of 5700] - [(8% + 10%) of 8550

= [(34% of 5700) - (18% of 8550)]

= (1938 - 1539)

= 399