A computer program was tested 300 times before its release. The testing was done in three stages of 100 tests each. The software failed 15 times in Stage I, 12 times in Stage II, 8 times in Stage III, 6 times in both Stage I and Stage II, 7 times in both Stage II and Stage III, 4 times in both Stage I and Stage III, and 4 times in all the three stages.
How many times the software failed in a single stage only?
A.10
b.12
c.13
d.14
Three truck drivers, Amar, Akbar and Anthony stop at a road side eating joint. Amar orders 10 rotis, 4 plates of tadka, and a cup of tea. Akbar orders 7 rotis, 3 plates of tadka, and a cup of tea. Amar pays 80 for the meal and Akbar pays 60. Meanwhile, Anthony orders 5 rotis, 5 plates of tadka and 5 cups of tea. How much (in ) will Anthony pay?
http://imgur.com/PxOOovs
LR QUESTION
A number has 24 co primes less that itself and the summation of these numbers is 1728. What is the number?
Which is greater 99^11 + 100^11 or 101^11
Urn I has 7 black hats and 8 white hats. Urn II has 3 black hats and 5 white hats. Urn III has 6 black hats and 4 white hats. One hat is drawn from each of the urn. Given that all the hats drawn are of the same color, what is the probability that the hats drawn are white in color?
a.21/200 b.80/143 c.143/600 d.15/200
How many 9 digit mulitiples of 6 can b formed using d digits 8 or 9?
What is unit digit of 1^1! + 2^2! .........50^50!