1. Let R = qs4. When s=8, R=16. When s=10, R is equal to
a. 11
b. 14
c. 20
d. 21
Answer-d

2. If 272/3 — 81-1/2 = 3x, the value of x is
a. -1
b. 0
c. 1
d. 2
Answer -b

3. 0.333 .... — 0.444 .... is equal to
a. 0.148148148 ....
b. 0.777 ....
c. 0.121212 ....
d. 1.333 ....
Answer-a

4. On converting the following base-2 numeral in base ten, 1101101, we get
a. 96
b. 104
c. 108
d. 109
Answer-d

5. The number of prime factors of (6)10—(7)17—(55)27
a. 54
b. 64
c. 81
d. 91
Answer-d