Determinants  MCQs

MCQs of Determinants

Showing 21 to 30 out of 83 Questions
21.
ifx-22x-33x-4x-42x-93x-16x-82x-273x-64 =0, then solution set is  _____
(a) 4
(b) 3
(c) 2
(d) 1
Answer:

Option (a)

22.
The solution set of  548x-3-8-16394 =0 in Z is  _____
(a)
(b) {-7}
(c) {7}
(d) -8511
Answer:

Option (b)

23.
if x227-2-6543+7-2-6543156=53747-238-6, then the value of x is _____
(a) -4
(b) 4
(c) -2
(d) 2
Answer:

Option (d)

24.
The cofactor of -7 in the expansion of 261-30554-7 is _____
(a) 126
(b) 28
(c) 18
(d) -126
Answer:

Option (c)

25.
The area of triangle whose vertices are (11, 8), (3, 2) and (8, 12) is _____
(a) 12.5
(b) 25
(c) 50
(d) 65
Answer:

Option (b)

26.
If (5, a), (-2, 5) and (-2, 3) are the vertices of a triangle whose area is 7, then the value of a is _____
(a) a cannot be obtained
(b) aR
(c) aR - -2
(d) aR-Q
Answer:

Option (b)

27.
The equation of the line passing through (3, -2) and (-1, 4) is _____
(a) 3x-2y-13=0
(b) 2x-y=8
(c) 2x+y-2=0
(d) 3x+2y-5=0
Answer:

Option (d)

28.
The equation of the line passing through (1, -3) and (5, -2) is _____
(a) x+4y+11=0
(b) x-4y-13=0
(c) 4x-y-7=0
(d) 4x+y-1=0
Answer:

Option (b)

29.
2344x6x8x578=_____
(a) 18x
(b) 0
(c) 1
(d) 18x3
Answer:

Option (b)

30.
The value of 2008200920102011 is _____
(a) -1
(b) 1
(c) -2
(d) 2
Answer:

Option (c)

Showing 21 to 30 out of 83 Questions