HSC Commerce इयत्ता १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Business Mathematics and Statistics

The population of a city in a censes taken once in 10 years is given below. Estimate the population in the year 1955.

In an examination the number of candidates who secured marks between certain intervals was as follows:

Estimate the number of candidates whose marks are less than 70.

Find the value of f(x) when x = 32 from the following table:

The following data gives the melting point of a alloy of lead and zinc where ‘t’ is the temperature in degree c and P is the percentage of lead in the alloy.

Find the melting point of the alloy containing 84 percent lead.

Find f(2.8) from the following table:

Using interpolation estimate the output of a factory in 1986 from the following data.

Use Lagrange’s formula and estimate from the following data the number of workers getting income not exceeding Rs. 26 per month.

Using interpolation estimate the business done in 1985 from the following data

Using interpolation, find the value of f(x) when x = 15

Choose the correct alternative:

For the given points (x₀, y₀) and (x₁, y₁) the Lagrange’s formula is

Choose the correct alternative:

Lagrange’s interpolation formula can be used for

Choose the correct alternative:

If f(x) = x² + 2x + 2 and the interval of differencing is unity then Δf(x)

Choose the correct alternative:

For the given data find the value of Δ³y₀ is

A second degree polynomial passes though the point (1, –1) (2, –1) (3, 1) (4, 5). Find the polynomial

Find the missing figures in the following table:

Find f(0.5) if f(– 1) = 202, f(0) = 175, f(1) = 82 and f(2) = 55

From the following data find y at x = 43 and x = 84.

The area A of circle of diameter ‘d’ is given for the following values

Find the approximate values for the areas of circles of diameter 82 and 91 respectively

If u₀ = 560, u₁ = 556, u₂ = 520, u₄ = 385, show that u₃ = 465

From the following table obtain a polynomial of degree y in x.