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how could I attempt Hindi mode

previous hindi medium me nahi h

A chicken farm has 120 chickens. Adding 140 more chickens increases the farm cost by Rs.4050, while the average cost per chicken decreases by Rs. What was the original cost of the farm?

I want important topics

The father of a girl is3 years older than the mother. six years ago, the average of the girl and her parents is 32 years, and the age of the father is twice the present age of her daughter. what is the present age of the mother?

Find the Number.
2,2,29,38,47,?
A)59 B)56 C)52 D)58 E)60

Mock test

16 2/3% of 48

2 : 8 :: 5 : ?

2:8::5:?