15
30
35
45
50
Correct answer is C
∩(E∩G) = ∩(E) + ∩(G) - ∩(E∩G) 80 = 65 + 50 - ∩(F∩G) ∴∩(E∩G) = 115 - 80 = 35
Let J be the set of positive integers, If H = {x: x∈J, x\(^2\) < 3 and x ≠ 0}, then
H = {1}
H is an infinite set
H = {0, 1, 2}
H = {}
J ≤ H
Correct answer is A
H = {x: x is a positive integer, x\(^2\) < 3 and x \(\neq\) 0}
H = {1}
Find the sum of the first five terms of the G.P 2,6, 18 ....
484
243
242
130
121
Correct answer is C
\(S_{n} = \frac{a(r^n - 1)}{r - 1}\)
a = 2; r = 6/2 = 3.
\(S_{5} = \frac{2(3^5 - 1)}{3 - 1}\)
= \(243 - 1 = 242\)
70o
84o
96o
156o
168o
Correct answer is B
\(2\pi r = 2 \times 3.142 \times 15 = 94.28cm\)
\(94.28cm = 360°\)
\(1cm = \frac{360°}{94.28}\)
\(\therefore 22cm = \frac{360°}{94.28} \times 22\)
= 84°
Find the values of x for which y = 5
-2.5, 2.0
-2.6, 2.1
-2.0, 1.5
-2.0, 2.0
0, 0
Correct answer is B
No explanation has been provided for this answer.
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