Jamb Mathematics Past Questions For Year 2009
Question 6
If log\(_{10}\)2 = 0.3010 and log\(_{10}\)7 = 0.8451, evaluate log\(_{10}\)280
- A. 3.4471
- B. 2.4471
- C. 1.4471
- D. 1.4071
Question 7
Simplify \(\frac{5+\sqrt{7}}{3+\sqrt{7}}\)
- A. 17-√7
- B. 4-√7
- C. 15+√7
- D. 7-√7
Question 8
If x = {n\(^2\)+1:n is a positive integer and 1 \(\leq\) n \(\leq\) 5},
Y = {5n:n is a positive integer and 1 \(\leq\) n \(\leq\) 5}, find x \(\cap\) y.
- A. {5,10}
- B. {5, 10, 15}
- C. {2, 5, 10}
- D. {5, 10, 15, 20}
Question 9
I.S∩T∩W=S II. S ∪ T ∪ W = W
III. T ∩ W = S
If S⊂T⊂W, which of the above statements are true?
- A. I and II
- B. I and III
- C. II and III
- D. I, II and III
- E. \(S \cap T \cap W = S\):
Question 10
If \(p=\sqrt{\frac{rs^3}{t}}\), express r in terms of p, s and t?
- A. \(\frac{p^2 t}{s^3}\)
- B. \(\frac{p^3 t}{s^3}\)
- C. \(\frac{p^3 t}{s^2}\)
- D. \(\frac{p^ t}{s^3}\)
