BITSAT SERIES Mathematics
Vector Basics
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
1
2025 1
2019 3
2018 1
2015 1
2014 1
2010 Chapter Questions 8 MCQs
01
PYQ 2010
medium
mathematics ID: bitsat-2
If the midpoints of sides BC, CA, AB of triangle ABC are respectively D, E, F, then position vector of centre of triangle DEF, when position vectors of A, B, C are respectively i+ j, j+ k, k+ i, is
1
\frac13( i+ j+ k)
2
( i+ j+ k)
3
2( i+ j+ k)
4
\frac23( i+ j+ k)
02
PYQ 2014
medium
mathematics ID: bitsat-2
If the middle points of sides BC, CA and AB of triangle ABC are respectively D, E, F. If the position vectors of A, B, C are respectively, then the position vector of the centre of triangle DEF is
1
2
3
4
03
PYQ 2015
medium
mathematics ID: bitsat-2
Let be three vectors satisfying , , and . If , then equals
1
2
3
4
04
PYQ 2018
medium
mathematics ID: bitsat-2
Let . Then depends on:
1
only y
2
only x
3
both x and y
4
neither x nor y
05
PYQ 2018
medium
mathematics ID: bitsat-2
The projection of the line joining (3,4,5) and (4,6,3) on the line joining (-1,2,4) and (1,0,5) is:
1
2
3
4
(1)/(3)
06
PYQ 2018
medium
mathematics ID: bitsat-2
If i+ j, j+ k, i+ k are position vectors of vertices of triangle ABC taken in order, then โ A is equal to:
1
2
3
4
(ฯ)/(3)
07
PYQ 2019
medium
mathematics ID: bitsat-2
Let a, b, c be three vectors satisfying
a ร b = ( a ร c),
| a|=| c|=1, | b|=4 and | b ร c|=โ(15).
If a ยท b = ?, then ฮป equals
1
2
3
4
-4
08
PYQ 2025
medium
mathematics ID: bitsat-2
If and , then find the angle between and .
1
2
3
4