I = (520*7*8)/100 = 291
Find the simple interest on Rs.520 for 7 months at 8 paisa per month?
Options:
(A) 277
(B) 270
(C) 291
(D) 266
(E) 121
(C)

315is divisible by 3 which is odd number where as all others are even numbers divisible by 3.
Find the odd man out
36, 315, 612, 810, 966, 1362
Options:
(A) 966
(B) 612
(C) 315
(D) 36
(E) 1362
(C)

Increase = (30/40)*100 = 75%.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
John makes $40 a week from his job. He earns a raise and now makes $70 a week. What is the % increase?
Options:
(A) 16%
(B) 16.66%
(C) 18%
(D) 21%
(E) 75%
(E)