q: Wednesday occurred on 15th September 2010. What was the day of the week on 15th September 2009?
Options:
(A) Monday
(B) Friday
(C) Wednesday
(D) Tuesday
(E) Sunday
a: OK... 1 odd day in the year 2009
So, the day on 15th September 2010 will be one day beyond the day on 15th September 2009
But, 15th September 2010 is Wednesday
On 15th September 2009, it was Tuesday
The answer is (D).

q: 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.9880. Find the share of B?
Options:
(A) 2880
(B) 3000
(C) 3018
(D) 3019
(E) 3012
a: OK... 60*5:36*6:75*3
100: 72: 75
72/247 * 9880 = 2880
The answer is (A).

q: A shopkeeper gave an additional 20 per cent concession on the reduced price after giving 30 per cent standard concession on an article. If Arun bought that article for 1,120, what was the original price?
Options:
(A) 3,000
(B) 4,000
(C) 2,400
(D) 2,000
(E) None of these
a:
OK... Original price = 1120 10070 10080 = 2000
The answer is (D).