The ratio of 1m to 50 cm is __________.

(a)

1 : 5

(b)

1 : 20

(c)

20 : 1

(d)

5 : 1

The ratio of the number of sides of a triangle to the number of sides of a rectangle is

(a)

4 : 3

(b)

3 : 4

(c)

3 : 5

(d)

3 : 2

If 2 : 3 and 4: __________ are equivalent ratios, then the missing term is

(a)

6

(b)

2

(c)

4

(d)

3

Which is not an equivalent ratio of \({16\over 24}\)?

(a)

\(6\over 9\)

(b)

\(12\over 18\)

(c)

\(10\over 15\)

(d)

\(20\over 28\)

Which of the following ratios are in proportion?

(a)

3 : 5 , 6 : 11

(b)

2 : 3, 9 : 6

(c)

2 : 5, 10 : 25

(d)

3 : 1, 1 : 3

If 7 : 5 is in proportion to x : 25, then ‘x’ is

(a)

27

(b)

49

(c)

35

(d)

14

If 8 oranges cost Rs. 56, then the cost of 5 oranges is Rs. ___________.

(a)

42

(b)

48

(c)

35

(d)

24

Which of the following fractions is not a proper fraction?

(a)

\(\frac { 1 }{ 3 } \)

(b)

\(\frac { 2 }{ 3 } \)

(c)

\(\frac { 5 }{ 10 } \)

(d)

\(\frac { 10 }{ 5 } \)