Mathematics 2017 Past Questions | JAMB
Study the following Mathematics past questions and answers for JAMB, WAEC NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.
21. Simplify 4\(\sqrt{27}\) + 5\(\sqrt{12}\) − 3\(\sqrt{75}\)
- A. 7
- B. − 7
- C. − 7\(\sqrt{3}\)
- D. 7\(\sqrt{3}\)
22. A man covered a distance of 50 miles on his first trip, on a later trip he traveled 300 miles while going 3 times as fast. His new time compared with the old distance was?
- A. three times as much
- B. the same
- C. twice as much
- D. half as much
23.
- A. 40o
- B. 55o
- C. 50o
- D. 60o
24. Divide 4x³ – 3x + 1 by 2x – 1
- A. 2x2 -x + 1
- B. 2x2 – x -1
- C. 2x2 + x + 1
- D. 2x2 + x -1
25. A car dealer bought a second-hand car for of 250,000 and spent N 70,000 refurbishing it. He then sold the car for N400,000. What is the percentage gain?
- A. 60%
- B. 32%
- C. 25%
- D. 20%
26. Find the number of ways that the letters of the word EXCELLENCE be arranged
- A. \(\frac{10!}{2!2!2!}\)
- B. \(\frac{10!}{4!2!}\)
- C. \(\frac{10!}{4!2!2!}\)
- D. \(\frac{10!}{2!2!}\)
27. If a rod 10cm in length was measured as 10.5cm, calculate the percentage error
- A. 5%
- B. 10%
- C. 8%
- D. 7%
28. Evaluate \(\frac{0.00000231}{0.007}\) and leave the answer in standard form
- A. 3.3 x 10-4
- B. 3.3 x 10-3
- C. 3.3 x 10-5
- D. 3.3 x 10-8
29. Find the principal which amounts to ₦ 5,500 at a simple interest in 5 years at 2% per annum
- A. ₦ 4,900
- B. ₦ 5,000
- C. ₦ 4,700
- D. ₦ 4,000
30.
The pie chart shows the allocation of money to each sector in a farm. The total amount allocated to the farm is ₦ 80 000. Find the amount allocated to fertilizer
- A. ₦ 35, 000
- B. ₦ 40,000
- C. ₦ 25,000
- D. ₦ 20,000
