The first of two APs are equal and the ratios of there command difference is 1:2 if the 7nth term of first AP and 21th term of second AP or 23 and 125 respectively.find the two APs
Rahul and Ravi plan to play business in which they were supposed to use two dice Ravi and Rahul decided to stick coin just to decide who is going to start again first Ravi called head and Rahul call tail on tossing the coin Ravi won the toss