Multilingual learning is ready for competitive exam preparation.
K Kiran InsightLearn. Practice. Rise.
Start practicing
Permanent question page

Math Chapter Wise question with answer

Read, practise, and share this question using its permanent link.

Question #44,962
Math Chapter Wise Sequences And Series (A.p., G.p., H.p.) English MCQ KVS PGT 23-12-2018

Q.If 1 2 3 a,a,a,......are in H.P., then the expression 1 2 2 3 n 1 n a a a a....... a a − + + + + + + + + + + + + is equal to:

Continue practising
View category →
Q01 If 1/(b + c), 1/(c + a) and 1/(a+ b) are in arithmetic progression, then English · Bihar (TRE 2.0)-2023 Q02 If the arithmetic mean and geometric mean of the roots of a quadratic equation are 8 and 5, respectively, then the... English · Bihar (TRE 2.0)-2023 Q03 If the roots of the equation x3 – 12x2 + 39x – 28 = 0 are in AP, then their common difference is: English · EMRS TGT-2023 Q04 The first and last terms of an AP are 1 and 11. If the sum of the terms is 48, then the number of terms are: English · KVS PGT 2023 Q05 If a, 4, b are in AP and a, 2, b are in GP, then a, 1, b are in: English · KVS PGT 2023 Q06 If p, q, r are in A.P. and x, y, z are in G.P. then xq - r. yr - p. zp - q is: English · KVS PGT 2023 TGT 2010