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The difference between 75% of a number and 20% of the same number is 378.4 . what is 40 % of that number ?

A275.2

B274

C267.2

D266

Answer:

A. 275.2

Read Explanation:

let the no be x 75%of x- 20%ofx=378.4 55%of x=378.4 x = 3784/10 * 100/55 x =688 40% of 688 40/100 *688= 275.2


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ഒരു സ്കൂളിൽ 65% പെൺകുട്ടികളാണ്. ആൺകുട്ടികളുടെ എണ്ണം 427 ആയാൽ പെൺകുട്ടികളുടെ എണ്ണം എത്ര ?