ratio and proportion-grade-10-quiz-8

The work done by (x-3) men in (2x + 3) days and the work done by (2x + 1) men in (x+4) days are in the ratio 3:10. Find the value of x.

1> x=6

2> x=-6

3> x=6/2

4> x=-1/2

10-ratio -7,

What quantity must be subtracted from each term of the ratio a:b so that it becomes equals to c:d?

1> x=

2> x=

3> x=

4> x=

6-Ratio-10

What quantity must be added to each term of the ratio 8:15 so that it becomes equals to 3:5?

1> x =

2> x =

3> x =

4> x =

5-Ratio-10

Two numbers are in the ratio 3:5, if 8 is added to each number, the ratio becomes 2:3. Find the numbers.

1> 24 and 40

2> 28 and 40

3> 24 and 45

4>20 and 40

10-4-Ratio,

if a:b=7:5, find (5a+8b):(6a-7b)

1>75:7

2>70:7

3>74:7

4>75:70

10-3-Ratio,

if x:y= 3:4, find the value of  3x+2y:2x+5y

1>17: 26

2>15: 26

3>17: 25

4>17: 27

2-Ratio

If (3a+2b): (5a +3b)= 18:29, find a:b

1> a:b=4:3

2> a:b=4:5

3> a:b=3:3

4> a:b=3:4