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Time value of money
Maths & Stats
answered on 15-Apr-20 14:19
??
latest answer
Easy way press 1 divide by %(10%=0.1)and press = for no.of years finally press gt(And multiply with amount)
Sukumar Rao
CA Foundation
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5
712
Doubt
Maths & Stats
answered on 14-Mar-20 06:41
Where can I get solutions for additional questions of ca foundation maths
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Sir I have cleared my doubt thank you sir
sai t
CA Foundation
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5
666
Probability
Maths & Stats
answered on 26-Apr-20 07:36
7 problem
latest answer
7. C
Anirudh Gupta
CA Foundation
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2
713
Time value of money
Maths & Stats
answered on 02-Mar-20 10:37
In how many years will a sum of money doubles at 5% p.a. compound interest ?
latest answer
It is an approximation tool and is not actual. The logic is it takes ~ 70 years for a sum to double @1%.
Prerana raghavendra
CA Foundation
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4
828
Quadratic equation
Maths & Stats
answered on 27-Apr-20 19:35
Find the quadratic equation sum of whose roots is 3 and the sum of cubes of roots is 7
latest answer
Let roots be a & b; a + b = 3; (a)3 +(b)3 = 7 (a+b)3 = a3 +b3 +3ab(a+b) (a+b)3 = 7 + 3ab( 3) (3)3 = 7 + 9ab 9ab = 20 ab = 20/9 a+b = 3 A quadratic equation is x² - (sum of roots) x + product of roots= 0 x² - 3x +  20/9 = 0 9x² -27x +  20 = 0
DIVYA S
CA Final
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3
731
Linear inequalities
Maths & Stats
answered on 26-Apr-20 07:37
Exercise q.no 7 ,L4 sir told downward direction as less than
latest answer
Ok thanks
DIVYA S
CA Final
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5
755
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
latest answer
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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1
663
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
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
701
Correlation coefficient
Maths & Stats
answered on 21-Feb-20 15:44
Ans please
latest answer
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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1
634
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
latest answer
(a) 260
Rohan karthi
CA Foundation
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2
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