Campus Maths Puzzle Numerical Ability

Neethu and Kalpana started a business with Rs.9000 and Rs.12000 accordingly. Kalpana withdrew half of her investment. After 1 year they get a profit of Rs.4600. What would be Kalpana’s share in it?

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Campus Other Question

There are 150 students in a class.55 of them are known of kannad language,85 are known of hindi language and 10 of them know both kannad and hindi language.then how many of them don't know any language? Manu started travelling from city A to city B.He stopped his journey for 60 minutes at a city C to watch his favourite live gameafter travelling one hour.Then he continued his journey at 4/5th of previous speed and reached his destination 1 hour 24 minutes late than he planned.if he stopped his journey to watch game for next 120 Km from city C,Manu could have reached 1 hr 12 minutes late than the time he planned.Find out the actual speed of Manu.
A)120kmph
B)150kmph
c)135kmph
D)155kmph