There are 100 students in the sophomore class of Bawne High School. Of them, 43 students take Biology, 35 take Physics, 42 take Chemistry, 12 Physics and Chemistry, 15 take Biology and Physics, 17 take Biology and chemistry, and 7 take all the three courses. How many students take none of the courses? * a. 27 b. 17 c. 13
2. There are 100 students in the sophomore class of Bawne High School. Of them, 43 students take Biology, 35 take Physics, 42 take Chemistry, 12 Physics and Chemistry, 15 take Biology and Physics, 17 take Biology and chemistry, and 7 take all the three courses. How many students take Biology course only? *
a.18 b.15 c.20 d.43
3. There are 100 students in the sophomore class of Bawne High School. Of them, 43 students take Biology, 35 take Physics, 42 take Chemistry, 12 Physics and Chemistry, 15 take Biology and Physics, 17 take Biology and chemistry, and 7 take all the three courses. How many students take Physics course only?
a.18 b.15 c.20 d.43
4.There are 100 students in the sophomore class of Bawne High School. Of them, 43 students take Biology, 35 take Physics, 42 take Chemistry, 12 Physics and Chemistry, 15 take Biology and Physics, 17 take Biology and chemistry, and 7 take all the three courses. How many students take Chemistry course only?
a.18 b.15 c.20 d.43
5.Find the 23rd term in the number sequence 11, 15, 19, 23.
a. 77 b.55 c.80 d.99
6. Find the common difference of an arithmetic sequence whose first term is -14 and 61st term is 286?
a. 6 b.300/61 c.5 d.361/61
7.The first three terms of a sequence are7,7 3/4,8 1/2 and the last term is 28. How many terms are there?
a. 67/4 b.29 c.27 d.63/64
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