# Mathematics 2017 Past Questions | JAMB

Study the following Mathematics past questions and answers for JAMBWAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.

1. Given T = { even numbers from 1 to 12 }
N = {common factors of 6, 8 and 12}
Find T ∩ N

• A. {2, 3}
• B. {2, 3, 4}
• C. {3, 4, 6}
• D. {2}

2.  What is the next number in the series 2, 1, $$\frac{1}{2}$$, $$\frac{1}{4}$$…

• A. $$\frac{1}{3}$$
• B. $$\frac{2}{8}$$
• C. $$\frac{3}{7}$$
• D. $$\frac{1}{8}$$

3. If U = {x : x is an integer and 1 ≤ x ≤ 20 }

E1 = {x: x is a multiple of 3}
E2 = {x: x is a multiple of 4} and an integer is picked at random from U, find the probability that it is not in E2

• A. 3/4
• B. $\frac{3/}{10}$
• C. $\frac{1/}{4}$
• D. 1/20

4. The curved surface area of a cylinder 5cm high is 110cm2. Find the radius of its base

π =  22/7

• A. 2.6cm
• B. 3.5cm
• C. 3.6cm
• D. 7.0cm

5.  If two graphs Y = px2 + q and y = 2x2 − 1 intersect at x =2, find the value of p in terms of q

• A.q − $$\frac{8}{7}$$
• B.7 − $$\frac{q}{4}$$
• C.8 − $$\frac{q}{2}$$
• D.7 + $$\frac{q}{8}$$

6.

Evaluate ($$\sin$$45o + $$\sin$$3o ) in surd form

• A. $$\frac{\sqrt{3}}{2\sqrt{2}}$$
• B. √3 − $$\frac{1}{2}$$
• C. $$\frac{1}{2}$$√2
• D. 1 + $$\frac{\sqrt{2}}{2}$$

7. If y = x Sin x, find $$\frac{dy}{dx}$$ when x = $$\frac{\pi}{2}$$

• A. $$\frac{- \pi}{2}$$
• B. -1
• C. 1
• D. $$\frac{ \pi}{2}$$

8. If temperature t is directly proportional to heat h, and when t = 20oC, h = 50 J, find t when h = 60J

• A. 24oC
• B. 20oC
• C. 34oC
• D. 30oC

9.  Evaluate 1 – ($$\frac{1}{5}$$ x $$\frac{2}{3}$$) + ( 5 + $$\frac{2}{3}$$)

• A. 4
• B. 3
• C. 2$$\frac{2}{3}$$
• D. 3$$\frac{2}{3}$$

10.  Given m = N$$\sqrt{\frac{SL}{T}}$$ make T the subject of the formula

• A.$$\frac{\text{NSL}}{M}$$
• B.$$\frac{N^2SL}{M^2}$$
• C.$$\frac{N^2SL}{M}$$
• D.$$\frac{NSL}{M^2}$$

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