23/04/2020 Junior Class NECO/BECE Mock Exams(Mathematics) 0Comments by Gate Academy Please, fill out the information below to continue. NAME EMAIL PHONE NUMBER 1. Factorise:10uv + 5u – 2v – 1(5u + 1)(2v + 1)(5u + 1)(2v - 1)(5u - 1)(2v - 1)(5u - 1)(2v + 1)(10uv + 5)(2v - 1)2. Approximate 0.4059 to 2 significant figures.0.4050.40.4060.410.403. Find the area of a parallelogram whose base and height are 46 cm and 12 cm respectively.276 cm²116 cm²552 cm²58 cm²4. A bag contains black, grey and spotty beads as shown:A bead is picked at random from this bag without looking.What is the probability that the bead is black or spotty?7/94/95/91/35. The following data was recorded by a student in the laboratory: 6, 8, 5, 4, 5, 6, 5, 5, 8, 8. Find the mode.986546. Factorise:16 – 9a^{2}( 4 + 3a)²(4 - 3a)²(4a - 3)(4a + 3)(4 - 3a)(4a + 3)( 4- 3a)(4 + 3a)7. Factorise 27 – 3p^{2} completely3(p- 3)²3(3 + p)(3 - p)(3 + p)(3 - p)(p + 3)(p- 3)3(p + 3)(p - 3)8. Find the HCF of 18a²y and 27x²y³.6ax9ax2ay6axy9y9. The probability of obtaining a number less than 5 in a single toss of a fair die is1/31/22/31/610. Four of five interior angles of a pentagon are equal. If the size of the fifth angle is 80°, then the size of each of the four equal angles is120 degrees136 degrees115 degrees100 degrees11. Find the median of the set of numbers 5, 6, 3, 4, 6, 5, 5, 7, 34567312. If 'a' denotes unknown value and is increased by 2, result will be 12 then equation for this statement will bea = 12 + 2a + 2 = 12a - 2 = 122a = 1213. The area of a rectangle is 40 cm² and one side is 8 cm long. Find its perimeter.32 cm16 cm26 cm40 cm20 cm14. A square has a perimeter of 24 cm. Find its area in cm².96 cm²24 cm²72 cm²36 cm²48 cm²15. Find the perimeter of a rectangle of sides (a + 2) and (a - 2).2a4a2a - 4a + 44a - 816. Determine if 1000 cm³ is less than 1 litre equal to 1 litre more than 1 litreless than 1 litreequal to 1 litrecan't saymore than 1 litre17. Calculate the area of a circular field of diameter 6 m, correct to 2 s.f. (Take π = 3.14)28 m²9.4 m²112 m²29 m²28.3 m²18. A bowl contains two white, one blue and two red balls. A ball is drawn randomly from the bowl, replaced and another ball is drawn. What is the probability that exactly one of the balls is white?2/536/225216/2256/2512/2519. If the point (m, -n) lies in the second quadrant, which of the following is true?m > 0, n < 0m > 0, n > 0m < 0, n > 0m < 0, n < 020. Simplify1/3391/921 out of 20Time is Up!