30% apples out of 450 are rotten, How many apples are in good condition ?

The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per…

1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total w…

In a metro train there are 600 passengers out of which 34% are females. Fare of each male is Rs. 20 and each female's fa…

Christy donated 10% of his income to an orphanage and deposited 20% of the remainder in his bank. If he has now Rs. 7200…

A number is first decreased by 10% and then increased by 10%. The number so obtained is 50 less than the original number…

If P% of P is 36, then P is equal to :

Each side of a rectangular field is diminished by 40%. By how much percent is the area of the field diminished ?