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Abhishek
Subject: Maths
, asked on 26/3/18
Find the probability that in a leap year there will be 53 Tuesdays and 52 tuesdays . Find the probability that in a non - leap year there will be 53 Tuesdays and 52 tuesdays . please answer this question as maths exam is getting near . kindly explain .. No links maam or sir
Answer
1
Ghosh Brothers
Subject: Maths
, asked on 26/3/18
Q-29 pls
Q.29. A game has 8 triangles of which 6 are blue and rest are green, 12 rectangles of which 3 are green and rest are blue, and 10 rhombuses of which 3 are blue and rest are green. One piece is lost at random. Find the probability that it is
(i) a rectangle
(ii) a triangle of green colour
(iii) a rhombus of blue colour
Answer
2
Ghosh Brothers
Subject: Maths
, asked on 26/3/18
Pls..
Q. Box A contains 25 slips of which 19 are marked Rs. 1 each and other are marked Rs. 5 each. Box B contains 50 slips of which 45 are marked Rs. 1 each and others are marked Rs. 13 each. Slips of both boxes are poured into a third box and reshuffled. A slip is drawn at random. What is the probability that it is marked other than Rs. 1?
Answer
4
Rohit Patil
Subject: Maths
, asked on 26/3/18
Solve this :
22. The probability of selecting a red ball at random from a jar that contains only red, blue and orange balls is 1/4. The probability of selecting a blue ball at random from the same jar is 1/3. If the jar contains 10 orange balls, find the total numbers of balls.
Answer
1
अर्कज ..
Subject: Maths
, asked on 26/3/18
Q. Compute the mode for the following frequency distribution:
Size of items:
0-4
4-8
8-12
12-16
16-20
20-24
24-28
28-32
32-36
36-40
Frequency:
5
7
9
17
12
10
6
3
1
0
Answer
1
अर्कज ..
Subject: Maths
, asked on 26/3/18
Solve this:
Q.12. A cone of height 20 cm and radius of base 5 cm is made up of modelling clay. A child reshapes it in the form of a sphere. Find the diameter of the sphere.
Answer
2
अर्कज ..
Subject: Maths
, asked on 25/3/18
Q. Figure shows the top view of an open square box that is divided into 6 compartments with walls of equal height. Each of the rectangles D, E, F has the twice the area of each of the squares A,B,C. When a marble is dropped into the box at random, it falls into one of the compartments. What is the probability that it will fall into compartment F.
Answer
2
अर्कज ..
Subject: Maths
, asked on 25/3/18
A square dart board is placed in the first quadrant from x = 0 to x = 6 and y = 0 and y = 6. A triangular region on the dart board is enclosed by the lines y = 2, x = 6 and y = 6. Find the probability that a dart that randomly hits the dart board will land in the triangular region formed by these three lines.
Answer
1
Khushi Jain
Subject: Maths
, asked on 25/3/18
Q.13. Two different dies are thrown together. Find the probability that the numbers obtained
(i) have a sum less than 7
(ii) have a product less than 16
(iii) is a doublet of odd numbers.
Answer
3
अर्कज ..
Subject: Maths
, asked on 25/3/18
Solve this:
The following are the ages of 300 patients getting medical TREATMENT in
a hospital on a particular day
Age (in year)
10-20
20-30
30-40
40-50
50-60
60-70
Number of patients
60
42
55
70
53
20
Form
(i) less than type cumulative frequency distribution.
(ii) Yore than type cumulative frequency distribution.
Answer
1
अर्कज ..
Subject: Maths
, asked on 25/3/18
Solve this:
5.
A square dart board is placed in the first quadrant x=0 to x=6 and y=0 to y=6.
A triangular region on the dart board is enclosed by the lines y = 2, x = 6 and y = x. Find the probability
that a dart that randomly hits the dart board will land in the triangular region formed by three
lines.
Answer
1
अर्कज ..
Subject: Maths
, asked on 25/3/18
Solve this:
EXAMPLE 4 Fig. 13.7, shows the top view of an open square box that is divided into 6 compartments with walls of equal height. Each of the rectangles D, E, F has twice the area of each of the squares A, B and C. When a marble is dropped into the box at random, it falls into one of the compartments. What is the probability that it will fall into compartment F?
Answer
1
अर्कज ..
Subject: Maths
, asked on 25/3/18
Solve this:
Answer
2
अर्कज ..
Subject: Maths
, asked on 25/3/18
Solve this:
Answer
1
अर्कज ..
Subject: Maths
, asked on 25/3/18
Solve this:
Answer
1
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What are you looking for?
Q.29. A game has 8 triangles of which 6 are blue and rest are green, 12 rectangles of which 3 are green and rest are blue, and 10 rhombuses of which 3 are blue and rest are green. One piece is lost at random. Find the probability that it is
(i) a rectangle
(ii) a triangle of green colour
(iii) a rhombus of blue colour
Q. Box A contains 25 slips of which 19 are marked Rs. 1 each and other are marked Rs. 5 each. Box B contains 50 slips of which 45 are marked Rs. 1 each and others are marked Rs. 13 each. Slips of both boxes are poured into a third box and reshuffled. A slip is drawn at random. What is the probability that it is marked other than Rs. 1?
22. The probability of selecting a red ball at random from a jar that contains only red, blue and orange balls is 1/4. The probability of selecting a blue ball at random from the same jar is 1/3. If the jar contains 10 orange balls, find the total numbers of balls.
Q.12. A cone of height 20 cm and radius of base 5 cm is made up of modelling clay. A child reshapes it in the form of a sphere. Find the diameter of the sphere.
(i) have a sum less than 7
(ii) have a product less than 16
(iii) is a doublet of odd numbers.
Solve this:
The following are the ages of 300 patients getting medical TREATMENT in
a hospital on a particular day
Form
(i) less than type cumulative frequency distribution.
(ii) Yore than type cumulative frequency distribution.
A triangular region on the dart board is enclosed by the lines y = 2, x = 6 and y = x. Find the probability
that a dart that randomly hits the dart board will land in the triangular region formed by three
lines.
EXAMPLE 4 Fig. 13.7, shows the top view of an open square box that is divided into 6 compartments with walls of equal height. Each of the rectangles D, E, F has twice the area of each of the squares A, B and C. When a marble is dropped into the box at random, it falls into one of the compartments. What is the probability that it will fall into compartment F?