১২২৫৬
Eight telephone poles are each 15 feet apart. What is the distance, in feet from the first to the last pole?
উত্তর
105
১২২৫৮
A father's age was 5 times his son's age 5 years ago and will be 3 times son's age after 2 years. The ratio of their present ages is -
উত্তর
10 : 3
১২২৬০
If 10 ships require 10 tanks of oil in 10 days. How long is 1 tank of oil enough for a ship?
উত্তর
10 days