** 71) In absence of facts we can? **

(A) observe

(B) know

(C) infer

(D) defer

** 72) 10 ^{0} **

(A) 10

(B) 0

(C) 2

(D) 1

** 73) 2,6,18,54,_______ **

(A) 156

(B) 158

(C) 160

(D) 162

** 74) A man has 10 pens and 9 of them are blue, how much in % has he blue pens? **

(A) 6

(B) 3

(C) 8

(D) None of these

** 75) The number, whose 7% is 42 is: **

(A) 300

(B) 400

(C) 500

(D) 600

** 76) A man bought something of 120 rupees and he has 25% discount. What is actual price he paid? **

(A) 95

(B) 100

(C) 105

(D) None of these

** 77) Smallest Natural Number? **

(A) 4

(B) 3

(C) 2

(D) None of above

** 78) A man pays 10% of his income as income tax. If his income tax amounts to Rs.1500, what is his income? **

(A) Rs.13000

(B) Rs.15000

(C) Rs.17000

(D) Rs.19000

** 79) Five years ago, age of father was thrice the age of son. If son is 30 years old now, what is the current age of father? **

(A) 65

(B) 70

(C) 75

(D) 80

** 80) 30% amount of total is left after spending 280 rupees. What was the amount before spending? **

(A) 300

(B) 400

(C) 500

(D) 600