101.The graph of cumulative frequency distribution is called
- A. Frequency polygon
- B. Frequency distribution curve
- C. Frequency curve
- D. Ogive
102.A ……… variation is one whose values convey the concept of attribute rather than number
- A. Quantitative
- B. Qualitative
- C. Discrete
- D. Continuous
103.A company employs 100 people, 65 of whom are men. 60 people including all the women are paid weekly. The number of the men that are paid weekly is
104.In a survey of villagers, it is found that 20% of the people have visited Kano and 25% have visited Port Harcourt. If 5% have been to both cities, then the percentage that have visited neither Kano nor Port Harcourt is
105.The length of a rectangle is three times its width. If the perimeter is 72 cm,the width of the rectangle is
- A. 6cm
- B. 8cm
- C. 9cm
- D. 10cm
106.A frustum of a pyramid is 3cm square at the top and 6cm square at the bottom and is 5cm high. The volume in cm3 of the frustum is
107.If x = 2, then (x - 1)(2x - 3) =
109. Given the list of numbers array(1, 6, 3, 9, 16, 11, 2, 9, 5, 7, 12, 13, 8), what is the median?
110.What is the slope of the line that is perpendicular to y - 2x = 1?
111.What is the sum of the first 40 even positive integers?
- A. 1,600
- B. 1,560
- C. 820
- D. 1,640
112.What is the length of an arc of a circle with a radius of 5 if it subtends an angle of 60° at the center?
- A. 3.14
- B. 5.24
- C. 10.48
- D. 2.62
113.(1.28 x 10⁴) ÷ (6.4 x 10²) equals
- A. 2 x 10⁻⁵
- B. 2 x 10⁻¹
- C. 2 x 10⁰
- D. 2 x 10¹
114.A man and wife went to buy an article costing N400. The woman had 10% of the cost and the man 40% of the remainder. How much did they have altogether?
- A. N216
- B. N200
- C. N184
- D. N144
115.Add the same number to the numerator and denominator of 3/18. If the resulting fraction is ½, then the number added is
116.After getting a rise of 15%, a man’s new monthly salary is N345. How much per month did he earn before the increase?
- A. N330
- B. N396.75
- C. N300
- D. N293.25
117.Assuming logₑ 4.4 = 1.4816 and logₑ 7.7 = 2.0142, then the value of logₑ ¼ is
- A. 0.5326
- B. 3.4958
- C. 0.4816
- D. 0.0142
118.Evaluate correct to 4 decimal places 827.51 x 0.015.
- A. 8.8415
- B. 12.4127
- C. 124.1265
- D. 12.4120
119.Express 130 kilometres per second in metres per hour
- A. 7.8 x 10⁵
- B. 468 x 10⁶
- C. 7800000
- D. 4.68 x 10⁶
120.Find the square root of 170-20√30
- A. 2√10-5√3
- B. 3√5-8√6
- C. 2√5-5√6
- D. 5√5-2√6