[NICL (Assistant) Grade III 2015] $ \frac{4}{5} $ of $ \frac{4}{7} $ of $ \frac{5}{6} $ of 1218 = ?
A) 415
B) 384
C) 492
D) 346
E) None of these
Correct Answer: E
$ \Rightarrow $ $ ?=\frac{4}{5}\times \frac{4}{7}\times \frac{5}{6}\times 1218 $ $ =\frac{8}{21}\times 1218=464 $