Let the speed of boy in still water be X km/h. And the speed of current = 9 km/h Downstream speed = (X + 9) km/h Upstream speed = (X – 9) km/h Let time be ‘t’ hours. ⇒ [(X + 9) t]/7 = (X – 9) t ⇒ X + 9 = 7X – 63 ⇒ X = 12 km/h Downstream speed = 12 + 9 = 21 km/h Upstream speed = 12 – 9 = 3 km/h
A person who preserves skin of animals
She rejected his proposal of marriage point-blank.
...My brother said to me, “Don’t waste your time.”
Put simply, they have hot and cold too much to be treated as serious title contenders.
Select the most appropriate meaning of the given idiom.
To breathe one’s last
Study of snakes
If the bail is……………………., it is not within the playing area.
Miss the boat
Select the most appropriate meaning of the given idiom.
Close fisted
Select the most appropriate meaning of the given idiom.
full of beans
