The difference in the amount estimated by the family on Electricity and Call bill is:

Solution

Amount estimated on electricity = $$\frac{19}{100} \times 32000$$ = Rs. 6080

Amount estimated on cell bill = $$\frac{6}{100} \times 32000$$ = Rs. 1920

Difference between both bills = 6080-1920 = Rs. 4160

(METHOD II)

% difference in electricity and cell bill = 19-6 = 13%

Estimated difference = $$\frac{13}{100} \times 32000$$ = Rs. 4160

=> Ans - (D)

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