Which of the following is the ratio of 3 km to 300 m?

1

(a)

10: 1

(b)

1 : 10

(c)

100: 1

(d)

1 : 100

In a scout camp, 40% of the scouts were from Gujarat State and 20% of these were from Ahmedabad. The percentage of scouts in the camp from Ahmedabad is

1

(a)

25%

(b)

32.5%

(c)

8%

(d)

50%

When 35% is expressed in fraction, it is equal to :

1

(a)

\(\frac { 8 }{ 15 } \)

(b)

\(\frac { 7 }{ 20 } \)

(c)

\(\frac { 3 }{ 4 } \)

(d)

\(\frac { 7 }{ 10 } \)

\(\frac { 5 }{ 20 } \) is equal to:

1

(a)

40%

(b)

45%

(c)

25%

(d)

20%

The ratio of 3 kg and 1 kg 500 g is :

1

(a)

1:5

(b)

2:1

(c)

2:3

(d)

3:2

\(18{3\over4}\%\)=_________________

1

(a)

3:16

30% of 300 =________________

1

(a)

90

A _________________ with its denominator 100 is called a per cent.

1

(a)

Fraction

\(18\frac { 3 }{ 4 } \)%=

1

(a)

30% of Rs.360=_____

1

(a)

108

When an improper fraction is converted into percentage, then the answer can also be less than 100.

1

(a) True

(b) False

The interest on Rs 350 at 5% per annum for 73 days is Rs 35.

1

(a) True

(b) False

The simple interest on a sum of Rs P for T years at R% per annum is given by the formula:
 simple interest =\({T\times P\times R\over 100}\)

1

(a) False

(b) True

\({4\over3}=44{2\over3}\%\)

1

(a) True

(b) False

\({2\over3}=66{2\over3}\%\)

1

(a) False

(b) True

Find the mean proportion between 9 and 16.

1

(a)

Mean proportion =\(\sqrt { 9\times 16 } =12\)

If 2:3: :x;18, find x.

1

(a)

\(\frac { 2 }{ 3 } =\frac { x }{ 18 } \)
\(\Rightarrow \) 3x=36
\(\Rightarrow \) x=12

If 50 : 11 : : x : 66, find x

1

(a)

\(\frac { 50 }{ 11 } =\frac { x }{ 66 } \)
\(\Rightarrow \quad x=\frac { 50\times 66 }{ 11 } \)
\(\Rightarrow \) x=300

If 6 man can complete the work in 10 days then in how many days 1 man can finish the same work

1

(a)

60 days.

If \({2\over3}A={3\over4}B={4\over5}C\) then what is A : B : C?

1

(a)

18 : 16 : 15