q: 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
a: Stream of consciousness: I = (520*7*8)/100 = 291 The answer is (C).

question: How many positive integers less than 70 have a reminder 01 when divided by 3?
Options:
(A) 13
(B) 24
(C) 35
(D) 16
(E) 17
answer: Stream of consciousness: 1 also gives the remainder of 1 when divided by 3. So, there are total of 24 numbers. The answer is (B).

q: Rs.900 amounts to Rs.920 in 3 years at simple interest. If the interest is increased by 3%, it would amount to how much?
Options:
(A) Rs.1056
(B) Rs.1001
(C) Rs.2056
(D) Rs.1026
(E) Rs.1856
a: Stream of consciousness: (900*3*3)/100 = 81
920 + 81 = 1001 The answer is (B).

question: A train travels m miles in n hours. How many miles will it travel in x hours at the same rate?
Options:
(A) mnx
(B) mn
(C) mxn
(D) mx
(E) mnx
answer: Stream of consciousness: Given Speed = m/n
To Find distance in x hours with same speed
Distance = speed * time
Distance = m/n*x = mx/n The answer is (C).

q: A man can buy a new house in 4 years with all of his earnings. But he spend the same amount in household expenses in 8 years and for savings in 12 years. How many time needed for buying the house?
Options:
(A) 12
(B) 20
(C) 30
(D) 15
(E) 24
a: Stream of consciousness: His savings in 1 year = 1/4 - (1/8+ 1/12) = 1/24
He can buy a new house in 24 years The answer is (E).

q: A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:
Options:
(A) 12
(B) 10
(C) 14
(D) 25
(E) 15
a:
Stream of consciousness: Dividend Rs 20 = (9/100*20) = 9/5
12 is an income on Rs 100
Rs 9/5 is an income Rs (100/12*9/5) = Rs 15 The answer is (E).