Question

The set of numbers which are the multiples of 5 is: (A) a finite set (B) an infinite set (C) a singleton set (D) none of these. 2. Range of data : 20 , 40 , 30 , 60 , 80 , 100 , 10 , 70 is : (A) 10 (B) 100 (C) 90 (D) none of these.3. The
nth term of an A.P. is given by an = 3+4n . The common difference is : (A) 7 (B) 3 (C) 4 (D) 1.4. A set has 4 elements , then total number of subsets is : (A) 4 (B) 14 (C) 16 (D) none of these.5. Sum of series : 1+2+3+ …………………… + n is ()(+1)2() ( + 1) ()(+1)(+2)2() none of these.6. Coefficient of Variation is …………….7. Roster form of the set {x: x is an integer and -3 < x < 7} is …………….8. Geometric Mean between two positive real numbers a and b is ……….​

Answer 1

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Answer 2

Answer:

8. x

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