#2. If 20(mod 9) is equivalent to y(mod 6), find y.
#3. Given that 2x + y = 7 and 3x - 2y = 3, by how much is 7x greater than 10?
#4. Kweku walked 8m up to slope and was 3m above the ground. If he walks 12m further up the slope, how far above the ground will he be?
#5. A bag contains 5 red and 4 blue identical balls. Id two balls are selected at random from the bag, one after the other, with replacement, find the probability that the first is red and the second is blue.
#6. Find the next three terms of the sequence - 0, 1, 1, 2, 3, 5, 8,...
#7. If (23) base x = (32) base 55, find the value of x.
#8. The volume of a pyramid with height 15cm is 90cm3. If its base is a rectangle with dimension xcm by 6cm, find the value of x.
#9. A fair die is thrown two times. What is the probability that the sum of the scores is at least 10?
#10. The ratio of the exterior angle to the interior angle of a regular polygon is 1:11. How many sides has the polygon?
#11. Simplify (10√3/√5 − √15 )².
#12. A straight line passes through the point P(1,2) and Q(5,8). Calculate the length PQ.
#13. The distance, d, through which a stone falls from rest varies directly as the square of the time, t, taken. If the stone falls 45cm in 3 seconds, how far will it fall in 6 seconds?
#14. Make S the subject of the relation p = s + sm²/nr.
#15. An object is 6m away from the base of a mast. The angle of depression of the object from the top of the mast is 50°, Find, correct to 2 decimal places, the height of the mast.
#16. Find the values of y for which the expression (y² − 9 y + 18)/(y² + 4 y − 21) is undefined.
#17. What sum of money will amount to D10,400 in 5 years at 6% simple interest?
#18. Simplify [(p − r)² − r ²]/(2p² − 4pr).
#19. On a map, 1cm represent 5km. Find the area on the map that represents 100km²
#20. Factorize (2x + 3y)² - (x - 4y)².
#21. The roots of a quadratic equation are 4/3 and - 3/7 . Find the equation.
#22. The graph of the relation y = x² + 2x + k passes through the point (2, 0). Find the values of K.
#23. Which of following is a valid conclusion from the premise. "Nigeria footballers are good footballers"?
#24. The marks of eight students in a test are: 3, 10, 4, 5, 14, 13, 16 and 7. Find the range.
#25. The curved surface area of a cylinder 5cm high is 110cm². Find the radius of its base π = 22/7
#26. Halima is n years old. Her brother's age is 5 years more than half of her age. How old is her brother?
#27. If cos θ = x and sin 60° = x + 0. 50° < θ < 90°, find the correct to the nearest degree, the value of θ.
#28. If log2(3x - 1) = 5, find x.
#29. A sphere of radius rcm has the same volume as cylinder of radius 3cm and height 4cm. Find the value of r.
#30. Express 1975 correct to 2 significant figures.
#31. The perimeter of a sector of a circle of radius 21cm is 64cm. Find the angle of the sector. (Take π = 22/7)
Eko Quizzes consists of questions carefully designed to help parents assess your student's comprehension of the information presented in the class on the topics covered in the National Curriculum and State Scheme of Work.