SET 25 M 32

Q32. Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets. How many of the businesses did not report a net profit nor invest in foreign markets last year? (1) last year 12 of the 30 businesses reported a net profit and had investments in foreign m...

enough discussion on this ques...but unfortunately only among few of us...anyway...decimal equivalent of any rational no. wud be not whole no. but a terminating or non terminating no...

need clarification from the moderators...plz help

SET 25 Math Q13

Q13
If the average (arithmetic mean) of the assessed values
of x houses is $212,000 and the average of the assessed
values of y other houses is $194,000, what is the average
of the assessed values of the x+y houses?
(1) x+y=36
(2) x=2y

IMO it sud be B, wat others think, note: OA is not B...thanx

u r right...i sud have posted it there...ok...but IMO the ques. ask for terminating decimal...and as we know if the Denominator cosists of only 2 and 5, it must be terminating and hence finite no. of digits...pl. comment...

SET 24 Math Q: 4Prob with OA of GMAT SET

4 A shipment of 8 television sets contains 2 black-and-white sets and 6color sets. If 2 television sets are to be chosen at random from this shipment, what is the probability that at least 1 of the 2 sets chosen will be a black-and-white set? A. 1/7 B. ¼ C. 5/14 D. 11/28 E. 13/26 Pl. solve the prob....

OA is D; thanx

thanx jangojess for clearing the air...this prob stumped me, too. But unless one know the principle of sum table, one can not solve it..thanx again