CBSE Class 10 Mathematics Probability And Constructions Worksheet Set A

Read and download free pdf of CBSE Class 10 Mathematics Probability And Constructions Worksheet Set A. Download printable Mathematics Class 10 Worksheets in pdf format, CBSE Class 10 Mathematics Chapter 15 Probability Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Mathematics Class 10 Assignments and practice them daily to get better marks in tests and exams for Class 10. Free chapter wise worksheets with answers have been designed by Class 10 teachers as per latest examination pattern

Chapter 15 Probability Mathematics Worksheet for Class 10

Class 10 Mathematics students should refer to the following printable worksheet in Pdf in Class 10. This test paper with questions and solutions for Class 10 Mathematics will be very useful for tests and exams and help you to score better marks

Class 10 Mathematics Chapter 15 Probability Worksheet Pdf

PROBABILITY & CONSTRUCTIONS
 
1 1,000 tickets of a lottery were sold and there are 5 prizes on these tickets. If Sunil has purchased one lottery ticket, what is the probability of winning a prize?
 
0.005
 
2 Out of 17 boys and 13 girls of a class, one student is to be selected. Find the probability of selecting a girl.
 
13/30
 
3 If a letter is chosen at random from the word TRIANGLE, what is the probability that it is a vowel?
 
3/8
 
4 Two friends were born in the year 2000. What is the probability that they have the same birthday?
 
1/366
 
5 From a group of two boys and three girls are selected at random. Find the probability: (i) Both selected children are girls.(ii) The selected group consists of one boy and one girl. (iii) At least one boy is selected.
 
3/10
3/5
7/10
 
6 In a non-leap year, find the probability of getting 53 Tuesdays?
 
1/7
 
7 One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn. Find the probability that:
 
I. The card drawn is red
II. The drawn is red and queen
III. The card drawn is spade or a club
IV. The card drawn is jack, queen, king or an ace
V. The card drawn is ace of hearts
 
½
1/26
½
4/13
1/52
 
8 A bag contains 5 red balls, 8 green balls and 7 white balls. One ball is drawn at random from the bag. Find the probability of getting:
 
(i) A white ball or a green ball. (ii) Neither a green ball nor a red ball
 
¾
7/20
 
9 Two dice are thrown simultaneously. What is the probability (i) 5 will not come up on either of them? (ii) 5 will come up on at least one? (iii) 5 will come up on both dice?
 
25/30
11/36
1/36
 
10 17 cards numbered 1,2 ,3,...,16,17 are put in a box and mixed thoroughly. One person draws a card from the box. Find the probability that the number on the card is: (i) Odd. (ii) Divisible by 3Divisible by 2 and 3 both
 
9/17
5/17
2/17
 
Constructions
    
1 Draw a line AB=12 cm and divide it in the ratio = 3:5. Measure the 2 parts.
 
2 Construct a triangle similar to a given ABC such that each of its sides is 2/3rd of the corresponding side of the ABC. It is given that AB=4cm, BC=5cm and AC=6cm, also write the steps of construction.
 
3 Draw any triangle ABC. Construct another triangle A’B’C’ similar to the triangle ABC with each side equal to 4/5th the corresponding side of the triangle ABC. Write the steps of construction.
 
4 Construct a triangle ABC in which BC=6.5cm, AB=4.5cm and ABC=60 degree. Construct a triangle similar to this triangle whose sides are 3/4th of the corresponding sides of the triangle ABC.
 
5 Construct a triangle in which CA=6cm angle BAC=450, then construct a triangle similar to the given triangle whose sides are 6/5 times of the corresponding sides of the triangle ABC.
 
6 Draw a right triangle ABC, in which angle B=90, AB=4cm, BC=5cm. Then construct another triangle A’B C’ whose sides are 5/3 times the corresponding sides of triangle ABC.
 
7 Construct a triangle PQS such that PQ=4.5cm PS=4cm and SQ=5.4cm. Construct another triangle P’Q’S’ similar to the triangle PQS with side S’Q=7.2cm.
 
8 Draw a circle of radius 3 cm. From a point 5cm away from the centre of the circle, draw 2 tangents to the circle. Find the length of the tangents.
 
9 Draw a line segment AB of length 7cm. Taking A as centre, Draw a circle of radius 3cm and taking B as centre, Draw another circle of radius 2.5cm. construct tangents to each circle from the centre of other circle.
 
 
Very Short Answer type Questions

Question. A bag contains 24 balls of which x are red 2x are white and 3x are blue. A ball is selected at random. What is the probability that
(i) it is red
(ii) it is blue
(iii) neither red nor blue
Answer : 
1/6 , 1/2, 2/3

Question. Five cards – the ten, jack, queen, king and ace of diamonds, are well-shuffled with their face downwards. One card is then picked up at random. (i) What is the probability that the card is the queen? (ii) If the queen is drawn and put aside, what is the probability that the second card picked up is (a) an ace? (b) a queen?
Answer :
1/5, 1/4, 0

Question. A child’s game has 6 triangles of which 3 are blue and rest are red and 10 squares of which 6 are blue and rest are red. One piece Is lost at random. Find the probability that that it is a
(i) Triangle
(ii) Square
(iii) Square of blue colour
Answer :
3/8, 5/8, 3/8

Question. Out of the families having three children, a family is chosen random. Find the probability that the family has (i) Exactly one girl (ii) At least one girl (iii) At most one girl
Answer : 
3/8 , 7/8 , 1/2

Question. A lot consists of 48 mobile phones of which 42 are good, 3 have only minor defects and 3 have major defects. Varnika will buy a phone if it is good but the trader will only buy a mobile if it has no major defect. One phone is selected at random from the lot. What is the probability that it is: (i) acceptable to. Varnika? (ii) acceptable to the trader?
Answer :
7/8, 15/16

Question. Two dice are thrown simultaneously. What is the probability that: (a) 5 will not come up either of them?
(b) 5 will come up on at least one time?
(c) 5 will come at both dice?
(d) Sum of 5 comes on both the dice together
Answer : 
25/36 , 11/36 , 1/36 , 1/9

Question. A bag contains 5 black, 7 red and 3 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is: (i) red. (ii) black or white. (iii) not black.
Answer :
7/15, 8/15, 2/3

Question. Cards bearing numbers 3, 5… 35 are kept in a bag. A card is drawn at random from the bag. Find the probability of getting a card bearing (a) a prime number less than 15 (b) a number divisible by 3 and 5
Answer : 
5/17, 2/17

Question. The probability of selecting a blue marble at random from a jar that contains only blue, black and green marbles is 1/5. The probability of selecting a black marble at random from the same jar is 1/4. If the jar contains 11 green marbles, find the total number of marbles in the jar.
Answer :
20

Question. There are 100 cards in a bag on which numbers from 1 to 100 are written. A card is taken out from the bag at random. Find the probability that the number on the selected card
I. is divisible by 9 and is a perfect square
II. (ii) is a prime number greater than 80
Answer :
 3/100, 3/100

Question. Three coins are tossed simultaneously. Find the probability of getting
(i) Exactly 2 heads (ii) at least 1 head (iii) at most 2 tails (iv) exactly 3 heads
Answer :
3/8, 7/8 , 7/8 , 1/8

Please click on below link to download CBSE Class 10 Mathematics Probability And Constructions Worksheet Set A

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CBSE Class 10 Mathematics Chapter 15 Probability Worksheet

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Worksheet for Mathematics CBSE Class 10 Chapter 15 Probability

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Chapter 15 Probability worksheet Mathematics CBSE Class 10

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