201.The weights of 30 new-born babies are given as follows: 6, 9, 5, 7, 6, 7, 5, 8, 9, 5, 7, 5, 8, 7, 8, 7, 5,6, 5, 7, 6, 9, 9, 7, 8, 8, 7, 8, 9, 8. The mode is
202.Thirty boys and x girls sat for a test. The mean of the boys’ scores and that of the girls were respectively 6 and 8. Find x if the total score was 468.
203.Two fair dice are rolled. What is the probability that both show up the same number of points?.
- A. 1/36
- B. 7/36
- C. 1/2
- D. 1/3
204.Find the principal which amount to N4,400 simple interest in 5years at 2% per annum
- A. N3,800
- B. N5,200
- C. N5,000
- D. N44,000
205.The sum of the first 20th term of the progression 3,6,12,.... is
- A. 3(2²¹–1)
- B. 3(2²⁰–1)
- C. 3(2²⁰+1)
- D. 3(2²¹+1)
206.Mr.Tommy bought bags of orange for N2,500 each. He sold them for N90,000 at a loss of 20%. How many bags of orange did he buy?
207.The second and fifth term of a geometric progression are 21 and 567 respectively find the first term and the common ratio of the progression.
- A. 3,7
- B. 7,3
- C. -7,3
- D. -3,7
208.Tunse bought a house for N1,250,000 and spent N350,000.00 to renovate it. He then sold the house for N2,000,000.00.What is the percentage gain?
209.List the integral which satisfy the inequality -2< 7–3x≤10
- A. -1,0,1,2
- B. -2,0,1
- C. 1,2,3
- D. 0,1,2
210. In a class, 120 students Speak English or French or both, 70 speak English and 55 speak French. How many speak English but not French?
211.The length of the sides of a right angled triangle are ym,(3y-1)m, and (3y+1)m. Find y.
212.Maydee, Femi and Ade share a profit on a business deal. Maydee received 1/3 of the profit and Femi received 2/3 of the remainder. If Ade received the remaining N12,000, how much profit did they share?
- A. N54,000
- B. N58,000
- C. N48,000
- D. N72,000
213.A ladder resting on a vertical wall makes an angle whose tangent is 2.5 with the ground. If the distance between the foot of the ladder and the wall is 60cm, what is the length of the ladder?
214.Three student share abag of garri in such away that the first student takes ¼ of the garri and the second takes 3/4 of the remainder. What fraction of the bag of garri did the third student take?
- A. 3/16
- B. 2/9
- C. 1/2
- D. 4/5
215.Solve the simultaneous linear equation 2x+5y=11, 7x+4y=2
- A. 27/34,34/27
- B. -34/27,73/27
- C. 2/3,4/3
- D. 1/3,2/3
216.If x+1 is a factor of x³+3x²+kx+4. Find the value of K.
217.Toyin and his friend, Ibrahim went to buy an article costing N600.Ibrahim had 10% of the cost and Toyin 40% of the remainder. How much did they have altogether?
- A. N320
- B. N440
- C. N276
- D. N196
218.Find all values of x satisfying the inequality -14≤4–3x≤31
- A. -6≤x≤9
- B. -9≤x≤6
- C. 5≤x≤8
- D. 6≤x≤12
219.What factor is common to all the expressions x²–x, 2x²–x-1 and x²–1
- A. (2x–1)
- B. (x+1)
- C. x–1
- D. (2x–3)
220.Find the sum to infinity of the following series 2 + 4/3 + 8/9 + 16/27 + ..