Answer: (E)
Question: What percent is 120 of 70?
Options:
(A) 133 1/3 %
(B) 134 1/3 %
(C) 135 1/3 %
(D) 140 1/3 %
(E) 171 3/7 %
[CoT]: [120/70 = 12/7
12/7 × 100 = 1200/7 = 171 3/7 %]

Answer: (B)
Question: Find the amount on Rs.8000 in 9 months at 20% per annum, if the interest being compounded quarterly?
Options:
(A) 9268
(B) 9261
(C) 9262
(D) 9242
(E) 9266
[CoT]: [A = 8000(21/20)3 = 9261]

Answer: (C)
Question: 80 is increased by 50%. Find the final number.
Options:
(A) 100
(B) 110
(C) 120
(D) 30
(E) 160
[CoT]: [Final number = Initial number + 50%(original number) = 80 + 50%(80) = 80 + 40 = 120.]

Answer: (C)
Question:
Every Sunday, Giri jogs 3 miles. For the rest of the week, each day he jogs 1 mile more than the previous day. How many miles does giri jog in 2 weeks ?
Options:
(A) 42
(B) 63
(C) 84
(D) 98
(E) 108
[CoT]: [In one week, Giri jogs 3 + 4 + 5 + 6 + 7 + 8 + 9 = 42 miles
In two weeks, Giri jogs 84 miles.]