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Measure of dispersion
Maths & Stats
answered on 19-Nov-21 11:42
The mean and SD for a, b and 2 are 3 and 1 respectively, the value of ab would be?
latest answer
OKk thanks
Krishna Dholariya
CA Inter
★ 33K+
3
565
Permutation and combination
Maths & Stats
answered on 18-Nov-21 07:24
A team of 12 men is to be formed out of n person .then the number of 3 men "C", "D", "E" are together is______
latest answer
Tnxxxx
bhoomi lashkari
CA Foundation
★ 2K+
5
543
Permutation and combination
Maths & Stats
answered on 18-Nov-21 10:33
A party of 6 is to be formed from 10 men and 7 women so as to include 3 men and 3 women. In how many ways the party can be formed if two particular women refuse to jion it?? A)4200 B)600 C)3600 D)none
latest answer
10c3Ã?5c3
bhoomi lashkari
CA Foundation
★ 2K+
3
609
Permutation and combination
Maths & Stats
answered on 18-Nov-21 10:37
A boat's crew consist of 8 men,3 of whom can row only on one side and 2 only on the other. The number of ways in which the crew can be arranged is _______
latest answer
3 have to be on First side - 1 way 2 have to be on Second side - 1 way Now on first side you need one more person out of remaining 3 - 3 ways. Remaining 2 will go to other side. Each set of 4 can be arranged in 4! ways So 3 x 4! x 4!
bhoomi lashkari
CA Foundation
★ 2K+
1
563
Permutation and combination
Maths & Stats
answered on 18-Nov-21 10:43
In how many ways 4 men and 3 women are arranged at a round table if the women never sit together? A)6Ã?6! B)6! C)7! D)none
latest answer
fix 4 men in circular pattern. Now there are 4 places left to be filled by 3 women. which is 4p3 ways.
bhoomi lashkari
CA Foundation
★ 2K+
1
631
Permutation and combination
Maths & Stats
answered on 17-Nov-21 19:34
How many four digit numbers can be formed by using 1,2,....7 which are greater than 3400 ?? A)500 B)550 C)560 D)NONE
latest answer
Thank you
bhoomi lashkari
CA Foundation
★ 2K+
7
550
Correlation and Regression
Maths & Stats
answered on 21-Nov-21 16:06
Which will be the right option and why ??
latest answer
Ok sir now I got it
Aditya Birla
CBSE XI
★ 4K+
14
583
Index number
Maths & Stats
answered on 21-Nov-21 11:06
The consumer price index for april 1985 was 125. The food price index was 120 and other items index was 135. The percentage of the total weight of the index is?
latest answer
OKk thanks ma'am
Krishna Dholariya
CA Inter
★ 33K+
2
885
Permutations and combination
Maths & Stats
answered on 17-Nov-21 15:49
Please reply correct answer
latest answer
vote for any number of candidates but not exceeding the number to be elected so i.e 3
Anjali Popat
CA Foundation
★ 3K+
6
570
Permutation and combination
Maths & Stats
answered on 17-Nov-21 17:29
How many arrangements can be made out of the letters of the word' INTERFERENCE' so that no two consonant are together ? A) 360 B) 240 C) 840 D) 20
latest answer
See
Savaliya Armi
CA Inter
★ 27K+
6
554