Question

Max. Marks: 20
Mathematics Test, July 2020
Class: 11
Part -A
1. 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 = 344n. 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)
(B) 14
(C) 16
(D) none of these
5. Sum of series : 1+2+3+
+n is
(A)
(B) n(n+1)
(C)
(+1)6+2)
2
(D) none of these
2​

Answer 1

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Answer 2

Answer:

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Step-by-step explanation:

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