Who among the following is considered to be the first

Find the mode for the given distribution.

(rounded off to two decimal places).

If a, b, c are in geometric progression and a + b + c = 14, a² + b² + c² = 84, find a, b, c.

21 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 179. Find the smallest part.

14, 28, 56, 112, ...... The sum of first 10 numbers in the series is:

What is the mean of the following numbers:

45, 50, 55, 60, 65

Which of the following statement(s) is/are correct?

The median of the following data will be ___

32,25,33,27,35,29,14,26 and 30.

Mean of a grouped data calculated using direct method, assumed mean method or step deviation method:

In an AP, S₅ = 75 and S₇ = 119, where S_n is sum of first n terms. Find the 10th term.