# Posts by ajaykumar

Total # Posts: 8

**math**

How much does it cost to paint a tringular surface of sides 6m 5m and 11m at the rate of 20 per m^

**MATH**

Two students h and k appeared in an examination. The probability that h will qualify the exam is 0.05 and that the probability that k will qualify the examination is 0.21. The probibality that both will qualify the examination is 0.03 find the probibality that .(a)both h and k...

**MATH**

Write down the following events as sets and also write the corresponding sample space.(1)an odd appears in a single toss of a fair die.(2)at least one head appears in two tosses of a fair coin.

**math**

at what rate of interest per annum,the amount of 10000 will be doubled in 5 years,interest being compounded quarterly

**math**

find the mean.variance.and standard deviation for the following data 6,12,6,8,10,8,12,8,14,16

**account**

at what rate of interest per annum,the amount of 10000 will be doubled in 5 years,interest being compounded quarterly

**math**

Ramesh has 150 shares of par value 10 each of a company which pays annual dividend of 15% at such a price that he receives 10% on his investment.what is the market value of share

**math**

Sum of following series 4.1+5.2+6.3+7.4+....52.49

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