Q2 of 23 Page 1

Attempt any four subquestions from the following:

For a centain frequency disribution, the value of Mean is 101 and Median is 100. Find the value of Mode.

Given: Mean = 101 and Median = 100

As we know,


Mean – Mode = 3(Mean – Median)


⇒ Mode = Mean - 3(Mean – Median)


⇒ Mode = 101 – 3(101 – 100)


⇒ Mode = 101 – 3


⇒ Mode = 98


More from this chapter

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2

Attempt any four subquestions from the following:

For solving the following simulataneous equations by Cramer’s rule, find the value of Dx and Dy:3x-y = 7; x + 4y = 11.

 2

Attempt any four subquestions from the following:

If two coins are tossed, then find probalility of th event: No head turns up.

 2

Attempt any four subquestions from the following:

The following pie diagram represent expentiture on different items in constructing a builiging. If the total construction cost of builing is Rs. 5,40,000, answer the following questions:


a. Find the central angle for labour expenditure.


b. Find the expenditure on labour.


 3

Attempt any three subquestions from the following:

Solve the following quadratic equation by completing square: z2 + 4z-7 = 0.