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my marks are
phy-86
chem-80
maths-95
total-261
what rank shd i expect ?

i am getting
phy - 86
chem - 80
maths - 95
total - 261
what rank shd i expect ?

i tried that but i didnt got the right answer

A small body starts sliding from the height 'H' down an inclined groove passing into a half circle of radius 'H/2' . Find the speed of the body when it reaches the highest point.

sorry , but the answer is given in terms of n.

Q . Two boats A and B move away from buoy anchored at the middle of a river along mutually perpendicular straight lines, the boat A along the river and the boat B across the river . Having moved off an equal distance from the buoy the boat returned. Find the times of motion ta/tb if the velocity of each boat with respect to water is n times greater than stream velocity. ?