14/10/2019 Tutor Test (Mathematics) 4Comments by Gate Academy Welcome to your Tutor Test (Mathematics) You have 10 minutes to complete the test of %TOTAL_QUESTIONS% questions. Instructions 1. Answer ALL Questions. 2. Make sure you are prepared before you start the test. 3. Make sure you have a steady internet connection. 4. Do not attempt to reload the test page once you begin. 5. Fill the text field below with your correct details before you begin Full Name Email Address Phonenumber 1. Which of the following operations is/are NOT closed over the set of odd integers?I. DivisionII. SubtractionIII. AdditionIV. MultiplicationI & III onlyIV onlyall of the abovenone of the aboveI, II & III only2. 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 > 03. Simplify: (2^{y }- 2^{y - 1}) ÷ (2^{3 }× 2^{y} – 8 × 2^{y – 1})2y - 242y1/81/44. In a mock quiz taken by 40 boys and y girls, the mean scores were 5.5 and 6 respectively. If the total score was 412, find the value of y36383430325. The twelfth term of the sequence (x - a), x, (x + a), ... isx - 12ax + 12ax + 9ax + 10ax + 11a6. If x² > 4x - 3, then3 < x < 1x < 1 or x > 3x < 1x > 31 < x < 37. A worker's salary on appointment is N30,000 per annum. At an annual increment rate of 10%, his salary at the beginning of the third year isN39,930N36,300N39,000N36,000N42,0008. A motorist drives from Manchester to Chichester at an average speed of 80 km/hr and immediately returns through the same route at an average speed of 50 km/hr. Find the average speed for the round-trip journey.60.0 km/hr62.5 km/hr53.3 km/hr65.0 km/hr96.0 km/hr9. The speed of 144 km/hr, expressed in metres per second is724020362810. X, Y, and Z are subsets of U = {1, 2, 3, 4, 5}. If X∪Z = U, X∩Z = Ø, X∪Y = {2, 3} and Y∩Z = Ø, then Z isØ{1}{1, 4, 5}U{1, 5}11. Class interval: 10-19 20-29 30-39 40-49Frequency: 2 4 3 1What is the median score?27.024.526.025.527.512. Two sectors of the same circle subtend angles of 75° and 30° at the centre of the circle. Their areas are in the ratio3:12:55:225:4√5:√213. A reception hall is arranged such that the first row contains 10 seats and each successive row has two more seats than the preceding row. The total number of seats in the first twelve rows is36225212024022214. If a : b = 1/4 : 3/8 andb : c = 1/3 : 4/9, what is a : c ?2 : 13 : 88 : 31 : 29 : 815. A sum of money invested at 6% per annum simple interest increased to $14,750 after 3 years. Determine the amount invested.$12,000$13,000$13,500$12,500$12,80016. A worker employed in 1992 on a salary of $50,000 a year had his salary increased annually in arithmetic progression. If his salary in 1997 was $80,000, what was his salary in 1995?$65,000$56,000$68,000$70,000$62,00017. If (x-y)² = 1 and xy = 2, the positive value of 1/x + 1/y is1/22/313/218. Two brothers Kameel and Kafeel owned a business in which the ratio of shares, was 3 : 2 respectively. Kafeel later sold 1/2 of his share to Kameel for £12,000. What was the value of the business?£60,000£42,000£48,000£84,000£24,00019. Simplify: (9^{-1/2 }× 81^{3/4}) ÷ (9^{1/2})1/31/991320. How long will it take for a sum of money invested at 8% simple interest to double itself?10 yearsnot enough information10.5 years11.5 years12.5 yearsYou've successfully completed your test. Submit below

## 4 Comments

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