Joseph purchased 150 hens each for Rs 50. Four hens died of a disease. He sold the remaining for Rs 51 each. Find his profit or loss percent​

Pls urgent max amount of points will be given and pls do not answer if unsure or you will be reported by me and brainliest answer gets the brainliest .. thing so yeh

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76