CBT JAMB maths 2015 by Abbey /50 43 Created on February 29, 2020 By bolaMathsCBT JAMB maths 2015 1 / 50 Category: Maths1 In a town of 6250 inhabitants, there were 62 birthsduring 1984. Find the percentage birth rate 3% 1.0% 2.5% 5.40% 2 / 50 Category: Maths2 Simplify 1Â¼ Ã· (2 Ã· Â¼ of 28) 1 3/8 2 3/4 4 3/8 3 1/5 3 / 50 Category: Maths3. Factorize x^2^{Â }+ 9x + 20 (x âˆ’ 5)^2 (x + 5)(x + 4) (x â€“ 5)(x + 3) (x + 3)^2 4 / 50 Category: Maths4 If three staff of Myschool Limited agreed to sharetheir salary arrears in the ration of their ages, which are18 years, 20 years, 22 years respectively. If the sum ofthe money collected is N120,000.00K, How much doesthe second staff received? N36,000 N44,000 N40,000 N15,000 5 / 50 Category: Maths5 X and Y are two sets such that nX = 15, nY = 12 and n{âˆ© Y} = 7.Find âˆ©{X âˆª Y} 21 225 15 20 6 / 50 Category: Maths6 Find the x and y intercepts of the graph of 3x – z <= 9 (3, -9) (-3, 9) (-3, -9) (-3, 0) 7 / 50 Category: Maths7 Simplify log 10 1.5 + 3 log 10 2 âˆ’ log 10 0.3 log 10 4 log 10 40 log 10 -40 log 10 4 – 8 / 50 Category: Maths8 Find the total surface area of a cylinder of baseradius 5cm and length 7cm ( Ï€ = 3.14) 17.8cm 2 15.8cm 2 75.4cm 2 54.7cm 2 9 / 50 Category: Maths9 If x + y = 90 simplify (sinx + siny)^2âˆ’2sinxsiny 1 0 2 -1 10 / 50 Category: Maths10 A man with an annual salary of N2000, hasallowances of N600. If Income Tax is 5%. How much taxdoes he pay each year? 15 20 30 25 11 / 50 Category: Maths11 Solve the equation 3x^2^{Â }âˆ’ 4x âˆ’ 5 = 0 x = 1.75 or âˆ’ 0.15 x = 2.12 or âˆ’ 0.79 x = 1.5 or âˆ’ 0.34 x = 2.35 or âˆ’1.23 12 / 50 Category: Maths12 The first and last term of a linear sequence (AP) are6 and 10 respectively. If the sum of the sequence is 40.Find the number of terms nth = 3 nth = 4 nth = 5 nth = 6 13 / 50 Category: Maths13 Find the equation of a line which is form origin andpasses through the point (âˆ’3, âˆ’4) y= 3x/4 y = 4x/3 y = 2x/3 y = x/2 14 / 50 Category: Maths14 The amount A to which a principal P amounts at r%compound interest for n years is given by the formula A= P(1 + (r Ã· 100))n. Find A, if P = 126, r = 4 and n = 2. N132.50K N136.30K N125.40K N257.42K 15 / 50 Category: Maths15 Make x the subject of the equation, s = 2 + t/5 (x + 3/5y) x = 5[(s âˆ’ 2) Ã· t] + 3yt x = 25[(s âˆ’ 2) Ã· t] âˆ’ 3ty x = [1 Ã· (s âˆ’ 2)3ty] x = [5(s âˆ’ 2) 2 Ã· 3ty] Ã— t 16 / 50 Category: Maths16. If log 5 20 = x, find x 1.761 1.354 1.861 2.549 17 / 50 Category: Maths17. Find at which rate per annum simple interest N525will amount to N588 in 3 years. 3% 2% 5% 4% 18 / 50 Category: Maths18 Find the range of values of t which satisfies theinequality 2t âˆ’ 1 3 and 2âˆ’ t 5 a b c d 19 / 50 Category: Maths19. Given that A = {1, 5, 7}B = {3, 9, 12, 15}C = {2, 4, 6, 8}Find (A âˆª B) âˆª C {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15} {1, 2, 3, 5, 6, 8, 12, 15} {2, 4, 5, 9, 12, 15} {1, 5, 6, 7, 8, 9, 12, 15} 20 / 50 Category: Maths20. The extension of a stretched string is directlyproportional to its tension. If the extension produced by atension of 8 Newtonâ€™s is 2cm, find the extensionproduced by a tension of 12 newtonâ€™s. 2 1 0 3 21 / 50 Category: Maths21 Factorize x^2 – 2x – 15 (x + 3)^2 (x + 5)(x âˆ’ 3) (x âˆ’ 5)^2 (x âˆ’ 5)(x + 3) 22 / 50 Category: Maths22 If A = (âˆ’3,5) and B = (4,âˆ’1) find the co-ordinate ofthe mid point 2, Â½ Â½ , 2 1, Â½ 0, 2 23 / 50 Category: Maths23 Find the simple interest on N325 in 5years at 3% perannum. N48.75K N50.10K N75.50K N15.75K 24 / 50 Category: Maths24 Simplify (0.09)^2 and give your answer correct to 4significant figures 0.81 0.081 0.0081 8.0001 25 / 50 Category: Maths25. Simplify a b c d 26 / 50 Category: Maths26 One bag contain 3 blue and 5 red balls, another bagcontain 2 blue and 4 red balls respectively. One ball isdrawn for each bag. What is the probability both balls areblue 2 /15 3/24 3/21 3/28 27 / 50 Category: Maths27 Given that A = {3, 4, 1, 10, â…“ }B = {4, 3 â…“, â…“, 7}.Find Aâˆ©B {} {â…“, 1, 2} {3, 4, â…“} {1, 3, â…“} 28 / 50 Category: Maths28. Find x. 5 3 6 1 29 / 50 Category: Maths29. A man sells his new brand car for N420,000 at again of 15%. What did it cost him? N410,000 N365, 217 N157, 250 N257,000 30 / 50 Category: Maths30. Find the value of x 3/2 2/3 1/3 -3/2 31 / 50 Category: Maths31 A pipe made of metal 10cm thick has an externalradius of 11cm. find the area of metal in making 2.4cmof pipe 22Ï€cm^2 21Ï€cm^2 15Ï€cm^2 17Ï€cm^2 32 / 50 Category: Maths32. Solve x^2 âˆ’ 2x âˆ’ 3 = 0 x = 2 or 1 x = 3 or -1 x = 1 or 0 x = 1 or 2 33 / 50 Category: Maths33. The volume of a cylinder whose height is 4cm andwhose radius 5cm is equal to (Ï€ = 3.14) 3.13cm^2 145cm^2 314cm^2 214cm^2 34 / 50 Category: Maths34. Solve âˆ’Cos x + 2xSin x + C âˆ’Cos x + 2 x^2 Cos x + 2xSin x + 2Cos x+ C âˆ’x^2 Cos x + 2xSinx + 2Cos x + C 35 / 50 Category: Maths35. The probability of an event A is 1/5. The probabilityof B is 1/3 . The probability both A and B is 1/15. Whatis the probability of either event A or B or both 2/15 3/4 7/15 1/15 36 / 50 Category: Maths36. Simplify 4 âˆš[(390695Tâˆ’ 8)Â½)] 1/T 2T 5/T T/5 37 / 50 Category: Maths37. Â Find x x 6 = 123.34 6 x 6 = 424.5 6 x 6 = 122.43 6 x 6 = 124.45 6 38 / 50 Category: Maths38. A man bought a car for N800 and sold it for N520.Find his loss per cent 15% 25% 35% 10% 39 / 50 Category: Maths39. Simplify 3 5/6 4 5/6 2 1/6 1/3 40 / 50 Category: Maths40. Find the distance between the points (-2,-3) and(-2,4) 3m 2.4m 3.2m 5.1m 41 / 50 Category: Maths41. Determine the third term of a geometricalprogression whose first and second term are 2 and 14respectively 1458 1485 1345 1258 42 / 50 Category: Maths42. Given that S and T are sets of real numbers such thatS = {x : 0 x 5} and T = {x : âˆ’ 2 < x < 3} Find SâˆªTA âˆ’3 < x â‰¤ 3B âˆ’2< x < 5C 2 < x < â‰¥âˆ’5D âˆ’1 < xâ‰¥â‰¤ 2 a b c d 43 / 50 Category: Maths43. If an investor invest N450,000 in a certainorganization in order to yield X as a return of N25,000.Find the return on an investment of N700,000 by Y in thesame organization. N14,950.50K N25,150.30K N15,000.00K N38,888.90K 44 / 50 Category: Maths44. Evaluate 1.35 1.353 1.455 0.455 45 / 50 Category: Maths45. 10011 _{2} + ***** _{2 }+ 11100 _{2} + 101 _{2} = 1001111 _{2} 1111 2 11011 2 10111 2 11001 2 46 / 50 Category: Maths46. Evaluate a b c d 47 / 50 Category: Maths47 If y = ( x^2 + 3x âˆ’ 1) Ã· (3x + 4). Find dy/dx (3x^2 + 8x + 7) Ã· (3x + 4 x 2 )^2 x^2 + 2x + (1 Ã· (x + 1 )^2) 2x^2+ 4x + (1 Ã· (2x + 4 )^2) x^2 + 3x + (2 Ã· (x + 3 ) 48 / 50 Category: Maths48. Integrate a b c d 49 / 50 Category: Maths49. Find the area of the curved surface of a cone whosebase radius is 3cm and whose height is 4cm (Ï€ = 3.14) 17.1cm^2 27.2cm^2 47.1cm^2 37.3cm^2 50 / 50 Category: Maths50. Simplify 1/(x + 1) + 1/(x-1) 2x/(x + 1)(xâˆ’3) 2x/(x + 1)(xâˆ’3) 2x/(x + 1)2 2x(x+1)2 Your score isThe average score is 10% LinkedIn Facebook Twitter VKontakte 0% Restart quiz No related posts. Share FacebookTwitterPinterestLinkedinWhatsappTelegramEmail