Mathematics — All MCQs

Q581.Evaluate: 4^(1/2) * 4^2 - 4^0.

Q582.The total perimeter of a semicircle is 20.6 cm. What is the approximate radius of the semicircle?

Q583.The expression 3 * (-4 * 5 - 6) would be equal to:

Q584.The forest workers plant 200 trees in one month (30 days). When 20 workers were sent away, 200 trees were planted in 40 days by this second group. How many workers were in the first group?

Q585.When the equation, y = x^2 + 8x - 5 is written in the form = (x+a)^2 + b, then a is:

Q586.Find the value of x, when A = (2*pi + y)x^2, where A=36 and y=2.77.

Q587.Adil, Badar, Salma, Dawood and Mehak each have different amount of money. Salma has more money than only Mehak; Badar has more money than Dawood but less than Adil. Who among them has the highest amount of money?

Q588.The thickness of one sheet of paper is 5 x 10^-2 mm. What is the thickness of a book having 400 sheets of paper?

Q589.Saba and Nida do their assignment together. The ratio of time taken by Saba to Nida is 6:5. If Saba takes 90 minutes to complete the assignment, how much time does Nida require?

Q590.How many combinations of two-digit numbers having 6 can be formed from the following numbers: 6, 7, 5, 1, 3, 8?

Q591.Find the number which does not fit in the series: 10, 25, 45, 54, 60, 75, 85

Q592.A new number is added to the series 3, 4, 4, 5, 6, 8 such that the average of the series does not change. What is the new number?

Q593.Writing 0.0000738 in standard form we get:

Q594.The perimeter of an equilateral triangle is 24 cm. What is the length of one side of the triangle?

Q595.The exterior angle of a triangle is 80 degrees and the interior opposite angles are in the ratio 1:3. The interior angles measure:

Q596.A watchmaker sold 40 percent of his watches and still has 420 watches left. How many did he have to begin with?

Q597.Six years ago, the ratio of the ages of Ali and Babar was 6:5. Four years from now, the ratio of their ages will be 11:10. What is Babar's age at present?

Q598.A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

Q599.A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?

Q600.The number 8 is to 44 as 5 is to: