Quantitative Ability_Probability09/07/2015

Two dice are tossed. The probability that the total score is a prime number is:

A. 1/6

B. 5/12

C. 1/2

D. 7/9

 

Quantitative Ability_Probability09/07/2015

A speaks truth in 75% cases and B in 80% of the cases. In what percentage of cases are they likely to contradict each other, narrating the same incident?

A. 5%

B. 15%

C. 35%

D. 45%