Out of 60 birds flying in the sky, `(3)/(4)` are moving in a flock and the rest in other flock.How many birds are there in each flock?

One-fourth of a flock of birds along the river And one-fifth of the flock in their nests The remaining 22 birds are roaming in search of food How many birds are in the nest? (A) 40 MB 18 (C) 10 D8

A bird is sitting in front of two plane mirrors inclined at an angle of 60^@ to each other. How many images does the bird see in the mirror?

Two trains are headed towaads each other on the same straight rrach, each vaving a speed of 30 km h^(-1) . A bird that can fly at 60 km h^(-1) flies off one train when they are 60 km apart and leads firectly form the otjer train, On reaching the other train, tg flies back to the first train and so on. (a) How many trips can the bird make from one trin to the other train befre they meet ? (b) What is the total distance the bird travels ?

Two trains, each with a speed of 50 kmph are headed towards each other on the same trake. A bird that can fly at the rate of 100kmph flies off one train when they are 100km apart and heads directly to the other train. On reaching the other train it flies back to the first train and so forth. (a) How many trips can the bird make from one train to the other before they crash ? (b) How is the total distance the bird travels ?