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3 Cards in this Set
- Front
- Back
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A club of 40 executives, 33 likes to smoke marlboro, and 20 likes to smoke philip moris. How many like both? |
13 |
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In a survey concerning the number of students enrolled in Mathematics subject, it was found out that 30 enrolled in Algebra, Calculus and Trigonometry, 40 in A & T, 45 in T & C, 50 In A & C, 80 in algebra and 70 in calculus. If there are 130 students in all, how many studentes were enrolled in Trigonometry only? |
30 |
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C |
C |
