Mathematics 3rd Tern Examination 2021/2022 Academic Session

Round up N81,253.65 to the nearest N100.00

• N81, 300.00

• N81, 200.00

• N254.00

• N813.00 

How many sides has a regular polygon whose each interior angle is 156⁰?

• 24

• 15

• 10

• 9

Find the  size of an interior angle of a regular pentagon     

• 60

• 90⁰

• 108⁰

• 120⁰

The ratio of the radii of two similar cylinders is 4:7. If the volume of the smaller cylinder is 64cm³, find the volume of the bigger one.

  

• 1078cm³

•   448cm³

• 343cm³

• 154cm³

  Write 0.00047 in standard form.

• 47 x 10^-3  

• 4.7 x 10^-2

• 0.47 x 10³  

• 4.7 x 10^-4

What is the value of n, if 0.000005237 = a x 10ⁿ given that a is between 1 and 9 and n is an integer?

• – 6 

• 6

• -5

• 5

In a class of 30 students, 16 have surnames beginning with A and 9 have surnames beginning with O. If a student is chosen at random, calculate the probability that the student’s surname starts with O.         

          

• 1/9  

• 1/6

• 3/10

• 9/25 

A window cleaner has a ladder which is 10 metres long. He placed it so that it reached 8 metres up the wall from the ground. How far is the foot of the ladder from the wall?

• 2 m

• 3 m

• 4 m

• 6 m

  The total possible outcomes when three coins are thrown together is

            

• 1

• 2

• 4

• 6