Wipro Company Numerical Ability Simple & Compound Interest

Sohan purchased a horse for Rs.2000 and sold it to Mohan at a loss of 10 percent. Mohan sold it to Sham at a loss of 10 percent while sham sold it to Gopi at a gain of 10 percent. The amount Gopi paid for it
would be

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Wipro Other Question

On a map the distance between two mountains is 3 1 2 inches. The actual distance between the mountains is 136 km. Ram is camped at a location that on the map is 3 4 inch from the base of the mountain. How many km is he from the base of the mountain? A worm is at the bottom of a forty foot hole. It can crawl upwards at the rate of four feet in one day, but at night, it slips back three feet. At this rate, how long will it take the worm to crawl out of the hole?
(a) 29 days (b) 37 days (c) 35 days (d) 39 days