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A bag contains 24 balls, out of which x are white. If one ball is drawn at random, the P(E) of drawing a white ball is y. 12 more white balls are added to the bag. Now if a ball is drawn, from the bag, the P(E) of drawing a white ball is 5y/3, find the value of x.
31 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
The probability of guessing the correct answer of certain text question is x / 12. If the probability of not guessing the correct answer of this text question is 3/4, then find the value of x.
33 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball from the bag is thrice that of the red ball, find the number of blue balls in the bag.
39 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
One ticket is drawn from a bag containing tickets numbered 1 to 40. Find the probability that the selected ticket has a number which is multiple of 7.
24 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
If m times the $${m^{th}}$$ term of AP is equal to n times its $${n^{th}}$$ term find the $${left( {m + n} right)^{th}}$$ term of the AP.
20 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
Is it important to increase the area under irrigation? Why?
26 views
doubts
asked
June 26, 2017
0
Ans
Write the differences between mixed cropping and inter cropping?
23 views
doubts
asked
June 26, 2017
0
Ans
What are the differences between multiple cropping and modern farming methods?
19 views
doubts
asked
June 26, 2017
0
Ans
Write any 5 reason to show that Palampur is a developed village.
30 views
doubts
asked
June 26, 2017
0
Ans
Write some non-farming activities of Palampur.
27 views
doubts
asked
June 26, 2017
0
Ans
Who are small farmers and large farmers?
35 views
doubts
asked
June 26, 2017
0
Ans
Which types of transport are available in the Palampur-Raiganj road?
19 views
doubts
asked
June 26, 2017
0
Ans
If 7th term of an AP is 19 and 9th term is 17 then find its 63rd term.
36 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
If $$alpha $$ and $$beta $$ are the roots of quadratic polynomial $${x^2},-ax, + ,b$$ then find value of$$ {alpha ^2}, + ,{beta ^2} $$
33 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
a courtyard has dimensions 18 m 72 cm and 13 m 20 cm. it is to be paved with square tiles of the same size. find the least possible no. of such tiles.
25 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
sir u mentioned in 1 of ur slide that p.d for two resistors in series con. is diff…but tell me if this pd is supplied by a cell to entire circuit..then how could it be diff for diff resistors???
32 views
doubts
asked
June 26, 2017
Class 10 - Physics
0
Ans
The sum of the first 7 terms of an A.P. is 63 and the sum of its next 7 terms is 161. Find the 28th term of this A.P.
27 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
If the sum of three consecutive terms of an AP is 51 and the product of first and third term is 273. Find the third term.
34 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
Find the 11th term from the last of the AP 10, 7 , 4 , ….. , – 62.
69 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
0
Ans
If x, y, z are in A.P. , then find the value of (x + y –z) (y + z – x).
37 views
doubts
asked
June 26, 2017
Class 10 - Mathematics
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