## 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.**40^{o}**B.**55^{o}**C.**50^{o}**D.**60^{o}

**24. **Divide 4x³ – 3x + 1 by 2x – 1

**A.**2x^{2}-x + 1**B.**2x^{2}– x -1**C.**2x^{2}+ x + 1**D.**2x^{2}+ 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