CSAT Practice Question Question no. 1 A frog tries to come out of a dried well 4.5 m deep with slippery walls. Every time frog jumps 30 cm , slides down 15cm , What is the number of jumps he required to come out of the well ? [CSAT 2020] looks_one 28 looks_two 29 looks_3 30 looks_4 31 Answer Option looks_two 29 Solution Solution : Every jump cover distance = 30 cm . Slip distance = 15 cm . he covers 15 cm after each slip. at 28th jump , he covers = 28 * 15 = 420 cm . At 29th jump , he will be at the top of well ( no slipping) So answer will be 29. Question no. 2 A vessel full of water weighs 40 kg. If it is one third filled , it weight becomes 20kg. What is the weight of empty vessel ? [CSAT 2020] looks_one 10 kg looks_two 15kg looks_3 20 kg looks_4 25kg Answer Option looks_one 10 kg Solution Solution : weight of vessel = v kg weight of full water = w kg According to question v + w = ...