1.  (35423 + 7164 + 41720) - (317 x 89) = ?

A. 28213
B. 84307
C. 50694
D. 56094
E. None of these

Answer: Option D

Explanation:

  35423         317 x 89 = 317 x (90 -1 )
+  7164         = (317 x 90 - 317)
+ 41720         = (28530 - 317)
  -----         = 28213
  84307
- 28213
  -----
  56094
  -----