Related InterviewSolutions

• Find the required term of the following sequence using sequence formula:(i) 2, 10, 50, … (6th term)(ii) 100, 50, 25, … (7th term)
• What is the nth term of the G.P. ar, ar2, ar3 …?
• Find the sum of twenty terms of the G.P. 7, 7, 7,….
• For a G.P., T1 = 2 and the product of the first three terms is 1000. Find the common ratio.
• Find the common ratio of the G.P. 0. 1, 0.01, 0.001
• Subba Rao started work in 1995 at an annual salary of Rs 5000 and received an increment of Rs 200 each year. In which year did his income reach Rs 7000?
• If a is the A.M. of b and c and the two geometric means are G1 and G2, then \(G_1^3\) + \(G_2^3\) is equal to (a) \(\frac{abc}{2}\)(b) abc (c) 2abc (d) \(\frac{3}{2}abc\)
• If x, 10, -25 are in G.P, then find the value of x.(a) 4(b) – 25(c) – 4(d) 2
• If x > 0 and log3x + log3 \(\sqrt{x}\) + \(\text{log}_3 (\sqrt[4]x)\) + \(\text{log}_3 (\sqrt[8]x)\)+ \(\text{log}_3 (\sqrt[16]x)\)+ ..... = 4, then x equals(a) 1 (b) 9 (c) 27 (d) 81
• The common ratio of a G.P. is -1 and its first term is -1, then find the sum of the first six terms of the G.P.(a) 0(b) – 1(c) 1(d) 6