question:The length of a rectangle is increased by 35% and its breadth is decreased by 20%. What is the effect on its area?
Options:
(A) 10800
(B) 1299
(C) 1000
(D) 10000
(E) 2887
answer:(A)
Stream of consciousness:100 * 100 = 10000
135 * 80 = 10800

question:A, B, C together started a business. A invested Rs.6000 for 5 months B invested Rs.3600 for 6 months and C Rs.7500 for 3 months. If they get a total profit of Rs.12350. Find the share of A?
Options:
(A) 3002
(B) 3000
(C) 3018
(D) 4000
(E) 5000
answer:(E)
Stream of consciousness:60*5:36*6:75*3
100: 72: 75
100/247 * 12350 = 5000

question:John makes $40 a week from his job. He earns a raise and now makes $80 a week. What is the % increase?
Options:
(A) 16%
(B) 16.66%
(C) 17.9%
(D) 18.12%
(E) 100%
answer:
(E)
Stream of consciousness:Increase = (40/40)*100 = (1)*100 = 100%.