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The central angle made by the sector of expenditure on fuel is how much more (in degrees) than the central angle made by the sector of expenditure on clothes, if the ratio of the expenditure on fuel and clothes is 4 : 3 respectively?

a

18

b

32

c

36

d

45

Answer : Option A

Explanation :

Percentage expenditure on fuel $=\frac{4}{3} \times 15=20 \%$

$\therefore$ Required difference $=(20-15) \%$ of $360^{\circ}$

$=360 \times \frac{5}{100}=18^{\circ} .$