HSC Commerce: Marketing and Salesmanship 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

For a bivariate data:

`sum(x - overlinex)^2` = 1200, `sum(y - overliney)^2` = 300, `sum(x - overlinex)(y - overliney)` = – 250

Find: 

1. b_yx
2. b_xy
3. Correlation coefficient between x and y.

Six jobs are performed on Machines M₁ and M₂ respectively. Time in hours taken by each job on each machine is given below:

Determine the optimal sequence of jobs and find total elapsed time. Also find the idle time for machines M₁ and M₂.

Solution:

Given jobs can be arranged in optimal sequence as,

Total Elapsed time = `square` hrs.

Idle time for Machine M₁ = 43 – 42 = 1 hour.

Idle time for Machine M₂ = `square` hrs.

`"Find"  (d^2y)/(dx^2)  "if"  y=e^((2x+1))`

Find `(d^2y)/dx^2 if, y = e^((2x + 1))`

Find `(d^2y)/dx^2` if, `y = e^((2x + 1))`

Find `(d^2y)/dx^2` if, `y = e^((2x + 1))`

Find `(d^2y)/(dx^2)` if, y = `e^((2x+1))`

Find `(d^2y)/dx^2` if, y = `e^((2x + 1))`

Find `(d^2y)/dx^2  "if,"  y= e^((2x+1))`

Find `(d^2y)/dx^2` if, `y = e^((2x + 1))`

Find `(d^2y)/dx^2` if, y = `e^(2x +1)`

Find `(d^2y)/dx^2, "if"  y = e^((2x+1))`

Find `(d^2y)/dx^2` if, `y = e^((2x+1))`

Find `(d^2y)/(dx^2)  "if", y = e^((2x + 1))`

Organising and Directing.

Find the odd one.

Find the odd one.

Answer in one sentence.

What is management?

Correct the underlined word and rewrite the following sentence.

Factors of business environment are always fixed.

Arrange in proper order.

Controlling, Organizing, Planning.