Mathematics Past Questions and Answers 2021

Physics Past Questions and Answers 2021

Mathematics Past Questions and Answers 2021 – Are you having challenges with comprehending mathematics exam questions? If yes, then you have interacted with the right post. We are here to help you out. We understand that mathematics as a subject can be very tasking sometimes and many candidates see it as a daunting task to study mathematics for exams. This is why we have decided to introduce you to Mathematics Past Questions and Answers.

For all your mathematics past question needs, whether WAEC, NECO, NAPTEB, etc, we have it in stock, and in this article, we will show you the benefits of getting this past question, past question samples, and how to download it into your smartphone or preferred device.

Mathematics Past Questions and Answers 2021

Mathematics Past Questions and Answers 2021 Patterned

Normally, the WAEC mathematics past questions are patterned in three ways. there are the objectives and theory, and for some subjects, there is the practical aspect. We have made it very easy for you. we bring all the questions for many years and put them together but indicate the specific years of their occurrence. We provide the correct answers to save you time. All you need to do is devote quality time to studying the WAEC mathematics past questions and watch yourself change the narrative by scoring better than you expected in the examination.

Why You Need Mathematics Past Questions and Answers 2021

In case you are doubting the efficacy of this past question, this aspect is meant to enlighten you on what you will benefit from getting this past question. See benefits here

  • It will expose you to the questions that have been asked years back as most of those questions and answers get repeated every year while some will just be rephrased. So if you don’t have a copy of this past question, then you are losing out.
  • It provides useful information about the types of questions to expect and helps you prevent unpleasant surprises.

Sample of Mathematics Past Questions and Answers 2021

For candidates who think that seeing is believing, we have given a sample of the mathematics past question below.

1. In a school, 180 students offer mathematics physics, or both. If 125  offer mathematics and 105 offer physics. How many students offer mathematics only?
A.75       B. 80       C. 55       D. 125.

2. Find the value of x for which 3(24x + 3) = 96
A. 2       B. -2       C. ½       D. -1/2

3. The cost of renovating a 5m square room is N500. What is the cost of renovating a 10m square room?
A. N1,000       B. N2,500       C. 2,000       D. N10,000

4. Find the rate of change of the total surface area S of a sphere concerning its radius r when r = 2
A. 8       B. 16       C. 10       D. 14

5. Differentiate (cosӨ + sinӨ)2 concerning Ө.
A. 2cos2Ө       B. 2sin2Ө       C. -2cos2Ө       D. -2sin2Ө

6. A binary operation * on the set of rational numbers is defined as x * y = 2x + [x3 – y3/x + y]. find -1*2
A. 11       B. -11       C. 8       D. -8

7. A polynomial in x whose zeroes are 2, 1, and -3 is ______
A. x3 – 7x + 6
B. x3 + 7x – 6
C. x3 – 7x –  6
D. x3 + 7x + 6

8. Find the range of values of x for which 7x –  3 > 3x + 4
A. x < 7/4
B. x > 7/4
C. 7x < 4
D. -4x < 7

9. Some red balls were put in a basket containing 12 white balls and 16 blue balls. If the probability of picking a red ball from the basket is 3/7, how many red balls were introduced?
A. 13       B.20       C. 12       D. 21

10. Convert 12314 to a number in base 6.
A. 1056
B. 3016
C. 1036
D. 5016

11. Find the slope of the curve y = 3x3 + 5x2 – 3 at (-1, 5).
A. 1       B. -1       C. 19       D. -19

12. Find the area of the region bounded by y = x2 + x – 2 and x-axis.
A. 9/2         B. -39/6         C. 8/3          D. 16/3

13. The minimum value of y = x2 – 4x – 5 is ______
A. 2          B. -2         C.13          D. -13

14. There are 8 boys and 4 girls in a lift. What is the probability that the first person who steps out of the lift will be a boy?
A. 3/4       B. 1/3       C. 2/3       D. 1/4

15. H varies directly as p and inversely as the square of y. If H = 1, p = 8, and y = 2, find H in terms of p and y.
A. H = p /4y^2       B. H = 2p / y^2       C. H = p / 2 y^2       D. H = p / y^2

16. Solve 4x^2 – 16x + 15
A. X = 1 (1/2) or X = -2 (1/2)       B. X = 1 (1/2) or X = 2 (1/2)       C. X = 1 (1/2) or X = -1 (1/2)       D. X = -1 (1/2) or X = -2 (1/2)

17. If (0.25)^y = 32, find the value of y.
A. y = -5/2       B. y = -3/2       B. y = 3/2       D. y = 5/2.

18. Simplify: log 6 – 3log 3 + 2/3log 27.
A. 3log 2       B. Log 2       C. Log 3       D. 2log 3

19. Bala sold an article for 6,900.00 nairas and made a profit of 15 percent. Calculate his percentage profit if he had sold for 6600.00.
A. 5 percent       B. 10 percent       C. 12 percent       D. 13 percent

20. If 3P = 4Q and 9P = 8Q-12, find the value of PQ.
A. 12       B. 7       C. -7       D. -12

21. Evaluate 0.42 divided by 2.5 /0.5 x 2.05, leaving the answer in standard form.
A. 1.639 x 10^2       B. 1.639 x 10^1       C. 1.639 x 10^-1       D. 1.639 x 10^-2.

22. A husband contributes 7% of his income into a fund and his wife contributes 4% of her income. If the husband earns N5,500 per annum (p.a) and his wife earns N4,000 p.a, find the sum of their contribution
to the fund.
A. N1,045                B. N605         C. N545         D. N490.

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7 Tips to Prepare for NDA Entrance Exams

  1. Don’t make reading your hobby: A lot of people put reading as a hobby in their CV, they might be right because they have finished schooling. But “You” are still schooling, so reading should be a top priority, not a hobby. Read far and wide to enhance your level of aptitude
  2. Get Exams Preparation Materials: These involve textbooks, dictionaries, Babcock University Post UTME Past Questions and Answers, mock questions, and others. These materials will enhance your mastery of the scope of the exams you are expecting.
  3. Attend Extramural Classes: Register and attend extramural classes at your location. This class will help you refresh your memory and boost your classroom understanding and discoveries of new knowledge.
  4. Sleep when you feel like: When you are preparing for any exams, sleeping is very important because it helps in the consolidation of memory. Caution: Only sleep when you feel like it and don’t oversleep.
  5. Make sure you are healthy: Sickness can cause excessive feelings of tiredness and fatigue and will not allow you to concentrate on reading. If you are feeling as if you are not well, report to your parent, a nurse, or a doctor. Make sure you are well.
  6. Eat when you feel like it: During the exam preparation period, you are advised not to overeat, and to avoid sleep. You need to eat little and light food whenever you feel like eating. Eat more fruits, drink milk and glucose. This will help you enhance retention.
  7. Reduce your time on social media: Some people live their entire lives on Facebook, Twitter, WhatsApp, Messenger chat. This is so bad and catastrophic if you are preparing for exams. Try and reduce your time spent on social media during this time. Maybe after the exams, you can go back and sleep in it.

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