In a survey 30% of the people surveyed owned a cellular telephone and 75% owned a personal computer. If 25% owned both a cellular telephone and a personal computer the percentage of people who owned a cellular telephone or a personal computer of both is:
Who discovered streptomycin, the first antibiotic effective for the treatment of tuberculosis, for which he was named Noble Laureate in Medicine in 1952?
R and S start walking forwards each other at 10a.m at speed of 3 km per hour and 4 km per hour respectively. They were initially 17.5 km apart. At what time do they meet?
Nail polish remover is something that us girls just can't so without. Which of the following has been used as the active ingredient in nail polish remover?
