2,4,8,9,5,6,1,3,2,5 संख्या का परिसर क्या होगा? | 8 | गणित | MATHS | S CHAND | Doubtnut

Let U= {1, 2, 3, 4, 5, 6, 7, 8,9}, A={1, 2, 3, 4}, B = {2, 4, 6, 8) and C={3, 4, 5, 6}. Find ( A uu B)'

What is the median of 6, 9, 13, 8, 3, 2, 5, 7 and 11? 6, 9, 13, 8, 3, 2, 5, 7 और 11 की मध्यिका क्या है ?

3 2 8 4 3 8 5 4 6 2 1 8 3 5 8 7 9 8 6 3 8 2 7 0 8 5 1 8 8 9 7 4 In the above sequence in some cases the multiplication of the two digits which immediately precede the digit 8 exceeds the addition of the two digit which immediately follow that digit. How many such 8's are there ? 1) 3 2) 4 3) 5 4) 6 5) None of these

Study the following number series to answer these questions. 2 6 7 5 4 3 7 4 8 9 4 3 2 5 4 7 9 8 6 8 7 1 2 5 3 7 6 8 9 3 6 How many such numbers are there in the series which are immediately followed by its multiple ? 1) 4 2) 3 3) 2 4) 1 5) None of these

A={1,2,3,4,5,6,7,8,9 B={ 2,4,6,8 } C={1,3,5 7,9} ( A cup (B cup C )) =_____.

Study the following arrangement carefully and answer the questions given below: 4 1 6 5 8 4 7 5 1 3 2 9 2 5 2 9 1 2 5 2 9 1 2 5 3 6 8 2 8 7 3 1 6 2 4 5 4 9 How many such 4s are there in the above arrangement, each of which is immediately followed by a perfect square ? (1 is also a perfect square. ) 1) None 2) One 3) Two 4) Three 5) More than three

Study the following arrangement carefully and answer the questions given below: 4 1 6 5 8 4 7 5 1 3 2 9 2 5 2 9 1 2 5 2 9 1 2 5 3 6 8 2 8 7 3 1 6 2 4 5 4 9 How many such 5s are there in the above arrangement each of which is immediately preceded by an odd digit and also immediately followed by an odd digit ? 1) None 2) One 3) Two 4) Three 5) More than three

Study the following arrangement carefully and answer the questions given below: 6 4 2 5 2 8 5 2 6 4 1 3 9 1 8 1 2 5 8 6 3 5 1 4 9 4 7 3 2 7 2 5 9 Which of the following is seventh to the left of the twentieth from the left end of the above arrangement ? 1) 3 2) 9 3) 2 4) 7 5) 1

Let U= {1, 2, 3, 4, 5, 6, 7, 8,9}, A={1, 2, 3, 4}, B = {2, 4, 6, 8) and C={3, 4, 5, 6}. Find A'