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Linear inequalities

Maths & Stats

answered on 26-Apr-20 07:37

Exercise q.no 7 ,L4 sir told downward direction as less than

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Ok thanks

DIVYA S

CA Final

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5

515

Basic Concept of Permutations and Combination

Maths & Stats

answered on 23-Feb-20 10:57

10 examination paper are arranged in such a way that the best and worst papers never come together. The number of arrangement is

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First find out total number of ways to arrange 10 papers. Then find out number of ways in which both are always together i.e. considering best and worst papers as one unit. Subtract 2 from 1.

priya dhanba

CA Foundation

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421

Basic Concept of Permutations and Combination

Maths & Stats

answered on 22-Feb-20 06:09

If 12 school teams are participating in a quiz contest, then the number of ways the first second and third position may be won is

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1st - 12 ways, 2nd - 11 ways and third 10 ways Total = 12x11x10 = 1320 or 12P3 = 1320

priya dhanba

CA Foundation

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452

Correlation coefficient

Maths & Stats

answered on 21-Feb-20 15:44

Ans please

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You have to use the formula of 'r' using covariance. Here x and y are actually x-x' and y-y'. Using standard deviation of y you can compute E(y-y')^2.

Shashant Gedam

CA Foundation

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427

Statistics

Maths & Stats

answered on 31-Jan-23 13:58

Out of 1000 persons, 25 per cent were industrial workers and the rest were agricultural workers. 300 persons enjoyed world cup matches on TV. 30 per cent of the people who had not watched world cup matches were industrial workers. What is the number of agricultural workers who had enjoyed world cup matches on TV? (a) 260 (b) 240 (c) 230 (d) 250

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(a) 260

Rohan karthi

CA Foundation

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834

Time value of money

Maths & Stats

answered on 26-Apr-20 07:37

If the difference between interest received by two persons A and B on the same sum of 1500 for 3 years Rs. 18. Then what is the difference between the two rates of interest

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Thank you so much sir

Mirjavalli Shaik

CA Foundation

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650

Time value of money

Maths & Stats

answered on 16-Jan-20 01:33

In how much time the S.I. on a certain sum becomes 0.125 times to its principle at 10% p.a. is

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Ans:- 12.50

Mirjavalli Shaik

CA Foundation

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592

Time value of money

Maths & Stats

answered on 24-Apr-20 09:11

Ram deposited 12000 in a bank at 10% per annum and remaining amount deposit in other bank at 20% per annum. if he received interest according to 14% per annum find the Ram's amount

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Insufficient information

Mirjavalli Shaik

CA Foundation

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2

655

Time value of money

Maths & Stats

answered on 02-Jan-20 11:01

1/7 of a money is deposited at 4% per annum , Â½ of a money deposited at 5% per annum and the remaining at the rate of 6%, then total interest gained 730 find deposit amount

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Assume total Amount is X. Find out interest for 1/7th of X, 1/2 of X and balance amount. Total is 730. Frame an equation and solve it.

Mirjavalli Shaik

CA Foundation

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826

Time value of money

Maths & Stats

answered on 02-Jan-20 11:02

If the interest of a money is equal to its one by nine, the rate of interest and time are equal then find rate of interest is

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Assume Principal is X, so interest is 1/9X. Rate of Interest is Y and Time is Y. Put in the formula, you will be able to solve.

Mirjavalli Shaik

CA Foundation

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624