Math Chapter Wise question with answer

Q01 A person is to count 4500 notes. Let an denote the number of notes that he counts in nth minute. If a1 = a2 =......... English · KVS PGT 23-12-2018 Q02 Let Sn denote the sum of first n elements of an AP. If S2n = 3 Sn' then S3n: Sn is equal to: English · KVS PGT 2023 Q03 Let a, b, c > 0 and abc=1. Then the least value of (())) ((())) ((()) 2 2 2 1 1 1 a b c b c a c a b + + + + + + + +... English · NVS PGT 10-06-2019 Q04 Complete the series: 34, ___, ___, ___, ___, 48 English · DSSSB PGT 2021 Q05 If 1/(b + c), 1/(c + a) and 1/(a+ b) are in arithmetic progression, then English · Bihar (TRE 2.0)-2023 Q06 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