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Ibeere 1 Ìròyìn
A chord 20cm long subtends an angle of 60° at the circumference of a circle, what is the diameter of the circle the nearest cm?
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Ibeere 3 Ìròyìn
A flagpole is placed at the top of a tower. The angles of elevation of the bottom and top of the flagpole from a point on the ground 10m away are 40° and 50° respectively. Find the length of the flagpole.
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Ibeere 6 Ìròyìn
The parallel sides of a trapezium are 13cm and 7cm. If the area of the trapezium is 50cm2, find the perpendicular distance between the parallel sides.
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Ibeere 7 Ìròyìn
In Δ ABC, A = 60°, C = 90° and AC = 12m. Find the Length of the hypotenuse.
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Ibeere 8 Ìròyìn
3 - 7, 8 - 12, 13 - 17, 18 - 22. Which of the following is/are true?
I. The class Interval is 4
II. The class boundaries are 2.5, 7.5, 12.5, 18.5, 22.5
III. The mid-marks are 5, 10, 15, and 20
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Ibeere 10 Ìròyìn
Mohammed is 8 years older than Joy now. In five years’ time he will be twice as old as Joy. How old is Joy now?
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Ibeere 13 Ìròyìn
A ship sails 6km from a port on a bearing 070° and then 8km on a bearing of 040°. Find the distance from the port.
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Ibeere 15 Ìròyìn
What is the Value of 11101\(_{two}\)+ 10011\(_{two}\) - 10001\(_{two}\)?
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Ibeere 16 Ìròyìn
What is the positive difference between the squares of 2.5 and 2.1 to 1 significant figures?
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Ibeere 17 Ìròyìn
A surveyor measured the length of a obtained 42.55 metres. If his measurement was more than the actual length and the percentage error of his measurement was 8%, calculate the actual length of the land
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Ibeere 18 Ìròyìn
If (x - a) is a factor of bx - ax + x2 - ab, what is the other factor?
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Ibeere 21 Ìròyìn
For what value(s) of x is the expression (x2 + 15x + 50) ÷ (x - 5) not defined
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Ibeere 22 Ìròyìn
A car dealer sells a car and makes a profit of 15%. If the car costs N320,000.00, how much did he sell the car?
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Ibeere 23 Ìròyìn
Two fair dice are tossed together once. What is the probability of getting a total of at least 9 from the outcome?
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Ibeere 27 Ìròyìn
If log 3 = 0.4771 and log 2 = 0.3010, what is the value of log 12?
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Ibeere 30 Ìròyìn
A bag contains 4 blue and 8 red identical balls. If two balls are picked at random with replacement, what is the probability of picking two balls of different colours?
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Ibeere 32 Ìròyìn
Find the absolute mean deviation of the sample 10, 12, 14, 11, 13.
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Ibeere 33 Ìròyìn
If 7 is subtracted from twice a certain number x, the result is at most 5. What is the range of the number?
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Ibeere 34 Ìròyìn
A is at 50°N and B is at 10°N, If A and B are on the same longitude, find the distance AS. Correct your answer to Four significant figures. (Earth radius = 6400km)
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