Basic Concept of Permutations and Combination

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

latest answer

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

priya dhanba

CA Foundation

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1

491

Correlation coefficient

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

★ 460

1

457

Statistics

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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2

877

Time value of money

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

★ 480

6

690

Time value of money

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

latest answer

Ans:- 12.50

Mirjavalli Shaik

CA Foundation

★ 480

2

629

Time value of money

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

latest answer

Insufficient information

Mirjavalli Shaik

CA Foundation

★ 480

2

691

Time value of money

answered on 02-Jan-20 11:01

1/7 of a money is deposited at 4% per annum , ½ of a money deposited at 5% per annum and the remaining at the rate of 6%, then total interest gained 730 find deposit amount

latest answer

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

★ 480

1

879

Time value of money

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

latest answer

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

★ 480

1

660

Time value of money

answered on 14-Aug-23 21:26

The difference between compound interest, compounded semi annually and simple interest on Rs.400 at 10% p.a. for one year

latest answer

No. Of conversion period will be 2 in case of semi annualy /Half yearly

Mirjavalli Shaik

CA Foundation

★ 480

3

636

What level of Maths is needed for CMA?

answered on 18-Nov-19 19:54

I mean like particular subjects like arithmetics, etc.

latest answer

Basic maths is enough

Ankit

CMA Foundation

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1

664