31. If in a certain code, GENERALISATION is written as 52627134819406, how the word OREGANOS be written in that code?
A. 07521680
B. 07251608
C. 07251806
D. 72085106
32. Which among the following are Natural Green greenhouse gases (GHGs)?
a. CO2 (carbon dioxide)
b. H2O (water vapor)
c. CH4 (methane)
d. O3 ozone)
e. CFC (chlorofluorocarbon)
Choose the correct answer from the options given below:
A. a, b, c, & d only
B. a, c, d & e only
C. b, c, d, & e only
D. a, b, c & e only
33. Which of the following is a chemical treatment in the water treatment process?
A. Filtration
B. Sedimentation
C. Coagulation
D. Screening
34. Which of the following p-values would signify that a sample correlation coefficient is significant at a 1% level of significance?
A. 0.005
B. 0.02
C. 0.99
D. 0.95
35. Complete the number series from the option given below:
1,3,7,15,31,63, ___?
A. 91
B. 166
C. 127
D. 103