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JEE Main || Algebra || Super Quiz 12
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Question 1
Let a,b,c,d be real numbers such that |a-b|=2, |b-c|=3, |c-d|=4. Then the sum of all possible values of |a-d| is
Question 2
The question has FOUR options. ONLY ONE of these four options is the correct answer.
Let a, b and a2+ b2 0. Suppose where
i=. If z = x + iy and z S, then (x, y) lies on
I) the circle with radius and centre for a > 0, b 0
II) the circle with radius -and centre for a < 0, b 0
III) the x-axis for a 0, b = 0
IV) the y-axis for a = 0, b 0
Question 3
Suppose is a given line segment in the plane and is a scalene triangle. The number of points in the plane such that the triangle with vertices (in some order) is similar to triangle is
Question 4
The mean of the series is 51. If 6 is replaced with 11, then find the new mean.
Question 5
The sum of 100 observations and the sum of their squares are 400 and 2475, respectively. Later on, three observations, 3, 4 and 5, were found to be incorrect. If the incorrect observations are omitted, then the variance of the remaining observations is:
Question 6
For all positive integral values of n, is equal to
Question 7
The symbolic form of the following statement is
“ABC is an right angle triangle if and only if one of its interior angle is 90 degrees”
“ABC is an right angle triangle if and only if one of its interior angle is 90 degrees”
Question 8
If, then Rank of A. is equal to
Question 9
Using the rules of Combination find the value of the following series
1+C(100,99)C(100,1)+C(100,98)C(100,2)+C(100,97)C(100,3)+……+1
1+C(100,99)C(100,1)+C(100,98)C(100,2)+C(100,97)C(100,3)+……+1
Question 10
Product of 1st 3 terms of G.P. is 125. If we add 5 to 2nd term and 10 to 3rd term of G.P., the terms are in A.P.Find terms in A.P.
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Feb 1JEE & BITSAT