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The table given below shows the number of students of a school from class 4 to 8. Represent the data in a pie chart.
| Class | IV | V | VI | VII | VIII |
| No. of students | 50 | 45 | 40 | 35 | 10 |
If A = {x : x is a letter of word ‘bowl’}, B = {x : x is a letter of word ‘elbow’} and U = {x : x is a letter of word ‘below’},
(a) Write the elements of sets A and B by the listing method. [1U]
(b) Show the relationship of U, A and B in the Venn diagram. [1A]
(c) Construct the subsets of set A. [2U]
If A = {x : x is a letter of word ‘flow’}, B = {x : x is a letter of word ‘flew’} and U = {x : x is a letter of word ‘flower’},
(a) Write the elements of sets A and B by the listing method. [1U]
(b) Show the relationship of U, A and B in the Venn diagram. [1A]
(c) Construct the subsets of set A. [2U]
If U = {x : x is a natural number, x <= 20}, P = {x : x is a multiple of 4 less than 20} and Q = {x : x is a multiple of 5 less than 20},
(a) Write the elements of sets P and Q by the listing method. [1U]
(b) Show the relationship of U, P and Q in the Venn diagram. [1A]
(c) Construct the subsets of set Q. [2U]
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If U = {x : x is a natural number, x <= 15}, P = {x : x is a multiple of 3 less than 15} and Q = {x : x is a multiple of 4 less than 15}.
(a) Write the elements of sets P and Q by the listing method. [1U]
(b) Show the relationship of U, P and Q in the Venn diagram. [1A]
(c) Construct the subsets of set Q. [2U]
Sets P = {a, e, i, o} and Q = {i, o, u} are the subsets of universal set U = {a, e, i, o, u}.
(a) Write the improper and proper subsets of set Q. [1A]
(b) Show the sets P, Q and U in a Venn-diagram. [2A]
(c) Write the set of common elements in sets P and Q. [1U]
Sets X = {6, 7, 8, 9} and Y = {5, 6, 7} are the subsets of universal set U = {4, 5, 6, 7, 8, 9}.
(a) Write the improper and proper subsets of set Y. [1A]
(b) Show the sets X, Y and U in a Venn-diagram. [2A]
(c) Write the set of common elements in sets X and Y. [1U]
Two sets are A = {a, c, e} and B = {a, e, i, o, u}.
(a) Write the relation between sets A and B. [1U]
(b) Show the sets A and B in a Venn-diagram. [2A]
(c) What is the number of proper subsets of set B? [1A]
(d) What adjustment should be done in set A to make it an improper subset of set B? [1HA]
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Two sets are A = {2, 3, 5} and B = {2, 3, 5, 6, 7}.
(a) Write the relation between sets A and B. [1U]
(b) Show the sets A and B in a Venn-diagram. [2A]
(c) What is the number of proper subsets of set B? [1A]
(d) What adjustment should be done in set A to make it an improper subset of set B? [1HA]
Two sets are A = {2, 3, 5} and B = {2, 3, 5, 6, 7}.
(a) Write the relation between sets A and B. [1U]
(b) Show the sets A and B in a Venn-diagram. [2A]
(c) What is the number of proper subsets of set B? [1A]
(d) What adjustment should be done in set A to make it an improper subset of set B? [1HA]
