If 2k+1,6,3k+1 are in a. p then find the value of k

It is known that 4 tickets among 10 tickets can win the jackpot. now everyone is permitted to buy a ticket .find the probability that among the 1st 3 person who bought a ticket ,only one person will win the jackpot

Sum of 2nd and 19th term is equal sum of 8th 12th and 15th term

A) xy = zwb) xz = ywc) xw = yz4. if the numbers 18, 6 and a are in continued proportion, find the value of a.5. the cost of 2 kg of apples is 170. what is the cost of 9 kg of apples at the sa6. tina is making pancakes. she needs two cups of batter to make eight pancake1200 pancakes of the same size, how many cups of batter does she need? 7. shyam is paid $625 for 5 days. in how many days will he be paid 3000? 8. a distance of 180 km between two cities is represented on a map by 6 cm. ifrepresented by 5 cm on the map, what is the actual distance between them? 9. a tower casts a shadow of length 100 m at a time when a 12 m high pole a shfind the height of the tower.46ratio and proportion​