choose the possibilities for the change in their respective shares – Discussion Forum

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Piyush365

Asked: October 5, 2026In: Class 9 Maths

A farm has some cows, sheep and chickens. Last year the cows made up 60%, the sheep 25% and the chickens 15%. There was a decrease in the number of all three animals’ population over the year. Choose the possibilities for the change in their respective shares of the population— (i) % of cows decreased, % of sheep decreased, % of chickens decreased (ii) % of cows increased, % of sheep increased, % of chickens increased (iii) % of cows remained the same, % of sheep remained the same, % of chickens remained the same (iv) % of cows decreased, % of sheep increased, % of chickens remained the same (v) % of cows increased, % of sheep increased, % of chickens decreased.

Possibilities (iii), (iv) and (v) are possible. The sum of percentage shares must always equal 100%, so all shares cannot simultaneously increase or simultaneously decrease together, ruling out (i) and (ii). Class 9 Ganita Manjari Part 2 Chapter 10 Solutions Class ...