The last digit of the expression: `1^2+2^2+3^2+4^2+.....+100^2` is (i) `1` (ii)`0` (iii)`2` (iv)`4`

The last digit of the expression: 1^2+2^2+3^2+4^2+.....+100^2 is (i)1 (ii)0 (iii)3 (iv)4

Find the last digit of the expression: 1^2 + 2^2 + 3^2 + 4^2 + ……..+ 100^2 .

The last digit of the following expreesion is : (1!)^1 + (2!)^(2) + (3!)^(3) + (4!)^(4) + …(10!)^(10)

The number of solutions of the equations 2x - 3y = 5, x+2y=7 is (i) 1 (ii)2 (iii)4 (iv) 0

The length of latus-rectum of the hyperbola x^(2) - 2y ^(2) - 2x + 8y - 1 = 0 is (i) sqrt(6) (ii) 4 sqrt(3) (iii) 4 (iv) 3

The focus of the parabola y^(2) - x - 2y + 2 = 0 is (i) ((5)/( 4), 1) (ii) ((1)/(4),1) (iii) ((3)/(4),1) (iv) (1,1)

Find the cube of : (i) 2 2/5 (ii) 3 1/4 (iii) 0. 3 (iv) 1. 5

Check which of the following are solutions of the equations x-2y=4 and which are not: (i) (0,2) (ii) (2,0) (iii) (4,0) (iv) (sqrt(2),4sqrt(2)) (v) (1," "1)

Check which of the following are solutions of the equations x-2y=4 and which are not: (i) (0,2) (ii) (2,0) (iii) (4,0) (iv) (sqrt(2),4sqrt(2)) (v) (1,\ 1)