BITSAT SERIES Mathematics
Applications Of Determinants And Matrices
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
3
2009 2
2006 Chapter Questions 5 MCQs
01
PYQ 2006
easy
mathematics ID: bitsat-2
If and |AB|\) is equal t
1
80
2
100
3
-110
4
92
02
PYQ 2006
medium
mathematics ID: bitsat-2
The solutions of the equation are
1
3,-1
2
-3,1
3
3,1
4
-3,-1
03
PYQ 2009
medium
mathematics ID: bitsat-2
If A and B are 2×2 matrices, which of the following is true?
1
(A+B)²=A²+B²+2AB
2
(A-B)²=A²+B²-2AB
3
(A-B)(A+B)=A²+AB-BA-B²
4
(A-B)(A+B)=A²-B²
04
PYQ 2009
medium
mathematics ID: bitsat-2
The digits A,B,C are such that the three-digit numbers A88, 6B8, 86C are divisible by
72. Then the determinant
vmatrix
A & 6 & 8
8 & B & 6
8 & 8 & C vmatrix is divisible by
8 & B & 6
8 & 8 & C vmatrix is divisible by
1
72
2
144
3
288
4
216
05
PYQ 2009
medium
mathematics ID: bitsat-2
Given below is a frequency distribution with median 46. In this distribution, some of the frequencies are missing. Determine the missing frequencies.
Marks: 10–20, 20–30, 30–40, 40–50, 50–60, 60–70, 70–80
No. of students: 12, 30, x, 65, y, 25, 18
Total number of students = 229
Marks: 10–20, 20–30, 30–40, 40–50, 50–60, 60–70, 70–80
No. of students: 12, 30, x, 65, y, 25, 18
Total number of students = 229
1
34, 45
2
25, 40
3
12, 18
4
30, 35