A.P. : 24, 21, 18.........---- के कितने पद लिए जाएँ ताकि उनका योग 78 हो?

How many terms of the AP : 24 , 21, 18 ....... Must be taken so that sum is 78 ?

How many terms of the A.P. : 24, 21, 18,…………... must be taken so that their sum is 78 ?

How many terms of the AP : 24, 21, 18 .... . Must be taken so that their sum is 78 ?

How much will be decreased to each term of ratio 16:19, so that it will be 7:6? अनुपात 16:19 के प्रत्येक पद को कितना घटाया जाएगा, ताकि यह 7: 6 हो जाए?

How many terms of the AP : 24, 21,18,... must be taken so that their sum is 78?

How many terms of the A.P. : 24, 21, 18, ……… must be taken so that their sum is 78?

How much should be added to each term of 4:7 so that it become 2:3 4: 7 के प्रत्येक पद पर कितना जोड़ा जाना चाहिए ताकि यह 2: 3 हो जाए ।

What is to be added to 15% of 180 so that the sum is equal to 20% of 360? 180 के 15% में क्या जोड़ा जाना चाहिए है ताकि योग 360 के 20% के बराबर हो?

for the A.P. 21, 18, 15, .. find t_10 and t_15