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Recent questions tagged q15-a

Find the real values of $x$,$y$ satisfying the equality $\large \frac{x-2+(y-3)i}{1+i}\normalsize=1-3i$

asked Apr 22, 2013 by sreemathi.v

0 answers

Given $z=x+iy$ and $z_1=1+2i$ determine the region in the complex plane represented by $I<\mid z-z_1\mid\leq 3$.Represent it on the Argand plane.

asked Apr 19, 2013 by sreemathi.v

0 answers

A manufacturing firm produces steel pipes in three plants A,B and C with daily production of 500,1000 and 2000 units respectively.The fractions of defective steel pipes output produced by the plants A,B and C are respectively .005, .008 and .010.If a pipe is selected from a day's total production and found to be defective,find out the probability that it came from the first plant.

asked Apr 18, 2013 by sreemathi.v

1 answer

Four dice are thrown simultaneously.If the occurrence of an odd number in a single dice is considered a success,find the probability of at most 2 successes.

asked Apr 17, 2013 by sreemathi.v

0 answers

In a binomial distribution,the sum of its mean and the variance is 1.8.Find the probability of two successes if the event was conducted 5 times.

asked Apr 16, 2013 by sreemathi.v

0 answers

Eight coins are thrown simultaneously.

asked Apr 15, 2013 by sreemathi.v

0 answers

Calculate the index number for the year 2006 with 1996 as the base year by the weighted average of price relatives method from the following data.

asked Apr 15, 2013 by sreemathi.v

0 answers

The index number for the following data,for the year 2008,taking 2004 as base year was found to be 116.The simple aggregate method was used for calculation.Find the numerical values of x and y if the sum of the prices in the year 2008 is Rs. 203.

asked Apr 12, 2013 by sreemathi.v

0 answers

The price quotations of four different commodities for 2001 and 2009 are as given below.Calculate the index number for 2009 with 2001 as the base year by using weighted average of price relative method.

asked Apr 11, 2013 by sreemathi.v

0 answers

Find the consumer price index number for the year 2010 using year 2000 as the base year by using method of weighted aggregates :

asked Apr 10, 2013 by sreemathi.v

0 answers

Find the equation of the tangent line to the curve $y = x^2 - 2x +7$ which is $(a)$ parallel to the line $2x - y + 9 = 0$

asked Nov 24, 2012 by thanvigandhi_1

1 answer

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