MATHEMATICS PRACTICE 1

Simplify 125^-1/3 x  49^-1/2 x 10⁰

     

• 350

• 35

• ¹/₃₅

• ¹/₃₅₀

If 3^2x = 27. What is x?

     

• 1

• 1.5

• 4.5

• 18

Simplify 16^5/4 x 2^-3 x 3⁰

    

• 0

• 2

• 4

• 10

Simplify 2log­₃^6­ + log₃¹² – log₃¹⁶

     

• 2

• 3

• 2-2log₃²

• 3-log₃²

What is the number whose logarithm to base 10  is 3.4771?

    

• 30

• 3

• 3000

• 300

A house bought for ₦100,000 was later auctioned for ₦80,000. Find the loss percent?

     

• 20%

• 30%

• 40%

• 50%

A string is 4.8m. A boy measured it to be 4.95m. Find the percentage error?

     

• 5/6%

• 1⁵/₁₆ %

• 3¹/₃₃%

• 3¹/₈%

The sum of the 1^st and 2^nd terms of an A.P is 4 and the 10^th term is 19. Find the sum of the 5^th and 6^th terms.

      

• 40

• 52

• 16

• 28

If 8x-4=6x-10, find the value of 5x?

       

• -35

• -15

• -3

• 3

Simplify 0.000215 x 0.000028 and express your answer in standard form.

       

• 6.03 x 10⁹

• 6.02 x 10⁹

• 6.03 x 10^-9

• 6.02 x 10^-9