Subject: Mathematics
Time: 15 mins
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2) Simplify (7a-3b)-(5a-8b).
3) Find the L.C.M. of 15,25 and 35.
4) Approximate 0.007349 to 3 significant figures.
5) Find the diameter of a circle whose circumference is 44cm.
4. Subtract 111_{two} from 1111_{two }
5. Calculate the simple interest on $650 for 2 years at 6% per annum.
6. A car uses 60 litres of petrol for a journey of 750km. how many litres would be used for a journey of 350km?
7. Convert 1111_{two} to denary.
8. Solve the simultaneous equations: x+2y=1, 2x+5y=4.
11) Solve for x, if 6x+8 = 21+5x.
12. Find the product of the coefficients of x^{2} and xy in the expansion of (2x-3y)(3x-2y).
13) If 22 is added to a number and then the sum is divided by 2, the result is 6 times the number. Find the number.
14) Twice a certain number y is less than or equal to 6. Find the range of values of the number.
15) The sum of the interior angles of a regular pentagon is
16) Calculate the 4^{th} angle of a quadrilateral if the other angles are 56^{0}, 115^{0} and 120^{0}.
17) A bag contains 16 balls. 6 of them are red and 10 are blue. What is the probability that a ball picked is a blue ball?
18) The volume of a cuboid is 24cm^{3}. if the base is 6cm by 2cm, find the height of the cuboid.
19) A basket contains 40 mangoes, out of which 22 are good. Find the percentage of the mangoes that are bad.
20) The sum of supplementary angles is.