Question

one fourth of bird of a flock are at a river bank and one fifth of that flock are in their nest. Remaining 22 birds are wandering in search of food. what is the number of birds which are their nest?

(a) 40 (b) 18 (c) 10 (d)8​

Answer 1

Answer:

(d)8

Step-by-step explanation:

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Answer 2

Answer:

let the total number of Bird be = X

one fourth bird means = X/4

one fifth bird means = X/5

X/4 + X/5 = 9X/20

remaining bird = X - 9X/20

= 11X/20

11X/20 = 22birds

X = 22×20/11

X = 40(total birds)

and in their nest = one fifth means = X/5

= 40/5 = 8 Answer