Showing Mcqs of MATH -- (543)

(36)^2 .2(36) (64)+(64)^ 2

(74)^2 × (26)^2=

86 (37) 37 (85)-7

48 (1) +48 (2)+48 (3) +48 (4):

For a certain student, the average of ten test scores is 80. If the highest and lowest scores are dropped, the average of the remaining scores is 82. What is the average of the highest and lowest scores: 

 If n is any integer, which of the following is always an odd integer:

 If n is the first number in a series of three consecutive even numbers, which of the following represents the sum of three numbers:

 If n is an odd number, which of the following represents the third odd number following n?

3/5 / 13/12    5/9 /12/11    9/13 /11/3=?

1/9 / (1/9) =