MATH

IF EIGHT TIMES A POSITIVE INTEGER X ADDED TO SIX TIMES ANOTHER POSITIVE INTEGER Y GIVES A SUM OF 494?

• x=10, y=32

• x=30, y=70

• x=35, y=55

• x=13, y=65

Answer explanation

8.x +6.y =494

8 x 13 + 6 x 65=494

104 +390 =494

When 150 is divided into two parts such that one part is divisible by 7 and the other by 8, which of the following are the parts?

• 112 and 38

• 119 and 31

• 133 and 17

• 126 and 24

Answer explanation

126/7=18

24/8=3

126+24=150

WHAT IS LEFT WHEN 1,496 YELLOW BOOKS IS DIVIDED EQUALLY AMONG ELEVEN STUDENTS?

• 0

• 1

• 5

• 10

FIND THE NUMBER OF DIAGONALS OF ANY HEPTAGON.

• D=14

• D=15

• D=17

• D=18

FIND THE SUM OF THE MEASURES OF THE INTERIOR ANGLES OF AN OCTAGON.

• 1,080

• 2,345

• 1,235

• 1,800

FIND THE MEASURE OF EACH INTERIOR ANGLE OF AN EQUIANGULAR OCTAGON.

• 135 DEGREES

• 140 DEGREES

• 150 DEGREES

• 200 DEGREES

WHAT IS THE PERIMETER OF RIGHT TRIANGLE?

• P=a+b+c

• P=2l+2W

• P=ns

• P=2b+2s

WHAT IS HERON'S FORMULA?

• A=2b+2s

• C=2r

• P=a+b+c

• 90

• 60

• 65

• 40

It is used to compare the mean of a population to a specified theoretical mean.

• One-sample t-test

• Two-sample t-test

• F-test

• Z-test