Related InterviewSolutions

• If 4 times the 4th term of an AP is equal to 18 times its 18th term then find its 22nd term.
• Split 207 into three parts such that these are in A.P. and the product of the two smaller parts is 4623.
• How many terms are there in the AP 18, `15(1)/(2), 13,…, -47?`
• How many terms are there in the AP 11,18,25,32,39,…..,207?
• How many terms are there in the AP `6, 10, 14, 18, ..., 174?`
• Find the four numbers in A.P. whose sum is 20 and the sum of whosesquares is 120.
• How many terms of the AP 18,16,14,12 ,….. Are needed to given the sum 78 ? Explain the double answer.
• The sum of first n terms of an AP is `(5n - n^(2)).` The nth term of the AP isA. (5-2n)B. (6-2n)C. (2n -5)D. (2n-6)
• Find the 28th term from the end of the AP 6,9,12,15,18,…..,102
• Find four numbers in A.P. whose sum is 28 and the sum of whose squares is 216.