Showing Mcqs of math -- (543)

In 3: 5: 6:10 mean is equal to

10

20

30

40

All the numbers on which side of zero are negative

right

left

both a and b

none

 Positive and negative directed numbers are in direction.

same

opposite

both a and b

none

If 3: 5: 6: 10 extreme is

10

20

30

40

(+6) + (+2) =

+8

+4

+6

+2

(- 23) + (- 15) =

-32

-36

-38

-40

. The relation of ratios in which increase in the quantity causes the increase in other quantity in the same ratio and vice versa is known as 

Direct proportion

Inverse proportion

Compound proportion

none of these

(-25) + (+13) =

-10

-12

-14

-16

 The relation between two ratios in which increase in one quantity causes the decrease in the other quantity and vice versa is known as the

Direct proportion

Inverse proportion

Compound proportion

none of these

 (+28) - (+15) =

+10

+11

+12

+13