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Recent questions tagged q14-a

If the letters of the word ASSASSINATION are arranged at random.Find the probability that four S's come consecutively in the word.

asked Jul 8, 2014 by sreemathi.v

1 answer

Solve: $cos(tan^{-1}x)=sin(cot^{-1}(\large\frac{3}{4}))$

asked Mar 21, 2014 by rvidyagovindarajan_1

1 answer

Solve : $\large\frac{dy}{dx}=\frac{(1+\cos ^2x)\sin^2y}{(1+\sin^2y)\cos^2x}$

asked Apr 22, 2013 by sreemathi.v

0 answers

Solve the differential equation $2\large\frac{dy}{dx}\normalsize=\large\frac{y}{x}\normalsize+\large\frac{y^2}{x^2}$ by substituting $y=vx$.

asked Apr 19, 2013 by sreemathi.v

0 answers

How much should a company set aside at the end of each year if it has to buy a machine expected to cost Rs.100,000 at the end of 4 years and the rate of interest is 5% per annum compounded annually?

asked Apr 18, 2013 by sreemathi.v

0 answers

Mr.Agarwal buys goods worth Rs.2,800 payable 8 months. Hence he pays Rs.400 at the end of the second month and Rs.600 at the end of the third month.Find the number of months after which the balance will become due.

asked Apr 17, 2013 by sreemathi.v

0 answers

Mr.Mohan took a loan of Rs. 7,500 on 1st Jan.2005 and agreed to pay Rs.2,250 after 1month,Rs.2,400 after 3 months,Rs.3000 after 4 months and Rs.750 after 5 months in full redemption of his debit.Find the rate of interest charged.

asked Apr 16, 2013 by sreemathi.v

0 answers

A manufacturer produces two types of steel trunks.He has two machines,A and B.The first type of trunk requires 3 hours on machine A and 3 hours on machine B.The second type requires 3 hours on machine A and 2 hours on machine B.Machines A and B can work at most for 18 hours and 15 hours per day respectively.He earns a profit of Rs. 30 per trunk on the first type of trunk and Rs. 25 per trunk on the second type.Formulate a Linear Programming Problem to find out how many trunks of each type he must make each day to maximise his profit.

asked Apr 15, 2013 by sreemathi.v

1 answer

A new cereal,formed of a mixture of bran and rice,contains at least 88 grams of protein and at least 36 milligrams of iron.Knowing that bran contains 80 grams of protein and 40 milligrams of iron per kilogram,and rice contains 100 grams of protein and 30 milligrams of iron per kilogram,find the minimum cost of producing a kilogram of this new cereal if bran costs Rs. 28 per kilogram and rice costs Rs. 25 per kilogram.

asked Apr 15, 2013 by sreemathi.v

0 answers

A bill of exchange for Rs. 722 was drawn on the 3rd April,2009,payable three months after date.It was discounted on 15th April,2009 at 4.75% per annum.What was the discounted value of the bill?

asked Apr 12, 2013 by sreemathi.v

0 answers

If the difference between Banker's discount and True discount of a bill for 73 days at 5% per annum is Rs.10,find (i) the amount of the bill (ii) the banker's discount.

asked Apr 11, 2013 by sreemathi.v

0 answers

A bill of Rs. 1000 drawn on 7th May,2011 for six months was discounted on 29th August,2011 for cash payment of Rs. 988.Find the rate of interest charged by the bank.

asked Apr 10, 2013 by sreemathi.v

0 answers

In the following cases,find the distance of each of the given points from the corresponding given plane (a)Point(0,0,0),Plane $3x-4y+12z-3=0$

asked Dec 14, 2012 by thanvigandhi_1

1 answer

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