Square Root and Cube Root - Aptitude Questions Part 4

16. Given:  3n = 729, Find 'n'.

a. 6
b. 8
c. 10
d. 12

Answer: d. 12


17. Find the value of 241/2 + 2161/2
96

a. 2/6
b. 26
c. 2
d. 62

Answer: c. 2


18. If a = 0.1039, then the value of (√4a2 - 4a + 1) + 3a is:

a. 0.1039
b. 0.2078
c. 1.1039
d. 2.1039

Answer: c. 1.1039