The marks obtained by a student of Class XI in first and second terminal
examination are 62 and 48, respectively. Find the minimum marks he should get in the
annual examination to have an average of at least 60 marks
03/11/2024
Mathematics
11th (Science)
Linear Inequalities
Solve
3 4 1 1
2 4
x x − +
≥ − . Show the graph of the solutions on number line
03/11/2024
Mathematics
11th (Science)
Linear Inequalities
Solve 7x + 3 < 5x + 9. Show the graph of the solutions on number line
03/11/2024
Mathematics
11th (Science)
Linear Inequalities
Solve
5 2 5
3 6
– x x
≤ – .
03/11/2024
Mathematics
11th (Science)
Linear Inequalities
Solve 4x + 3 < 6x +7
03/11/2024
Mathematics
11th (Science)
Linear Inequalities
Solve 5x – 3 < 3x +1 when
(i) x is an integer, (ii) x is a real number
03/11/2024
Mathematics
11th (Science)
Linear Inequalities
Solve 30 x < 200 when
(i) x is a natural number, (ii) x is an integer
03/11/2024
Mathematics
11th (Science)
Complex Numbers and Quadratic Equations
If
1
1
1
m
i
– i
+
=
, then find the least positive integral value of m
03/11/2024
Mathematics
11th (Science)
Complex Numbers and Quadratic Equations
If (a + ib) (c + id) (e + if) (g + ih) = A + iB, then show that
(a
2
+ b
2
) (c
2
+ d
2
) (e
2
+ f
2
) (g
2
+ h
2
) = A2
+ B2
03/11/2024
Mathematics
11th (Science)
Complex Numbers and Quadratic Equations
Find the number of non-zero integral solutions of the equation 1 2 x x
– i = .
