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The number of boys using Whatsapp in February is how much per cent more than the number of boys using Facebook in February?

a

50

b

33.33

c

66.66

d

44.22

Answer : Option A
Explanation :

Required per cent =(750500500)×100=2505=\left(\frac{750-500}{500}\right) \times 100=\frac{250}{5}

= 50%

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