एक पूर्णांक a इस प्रकार ज्ञात कीजिए कि (i) a + 6 = 0 (ii) 5 + a = 0 (iii) a + (-4) = 0 (iv) -8 + a = 0 | ...

Find an integer a such that (i) a + 6 = 0 " " (ii) 5 + a = 0 " " (iii) a + (-4) = 0 " " (iv) -8 + a = 0

In the following cases, find the co-ordinates of the foot of the perpendicular drawn from the origin to the plane : (i) 2x + 3y + 4z - 12 = 0 (ii) 3y + 4z - 6 = 0 (iii) x + y + z = 1 (iv) 5y + 8 = 0.

Write all integers between (i) 0 " and " 6 (ii) -5 " and " 0 (iii) -3 " and " 3 (iv) -7 " and " -5

Write all integers between: (i) -7 a n d 3 (ii) -2 and 2 (iii) -4 a n d 0 (iv) 0 and 3

Divide: (i) 131.6 by 10 (ii) 32.56 by 10 (iii) 4.38 by 10 (iv) 0.34 by 10 (v) 0.08 by 10 (vi) 0.062 by 10

(1 + i) ^ (100) = 2 ^ (49) (x + iy) thenx ^ (2) + y ^ (2) = (i) 0 (ii) 4 (iii) 8 (iv) 16

Solve the equation: (i) 3x-9lt0 (ii) -5x+25le0 (iii) 7x+4gt39 (iv) 6x-18ge0 .

Evaluate: (i) (1.0)^(2) (ii) (0.7)^(2) (iii) (0.04)^(2) (iv) (0.11)^(2)

Fill in the blanks by appropriate symbol gt " or " lt : (i) 0 …….. 7 (ii) 0 ……… -3 (iii) -5 ……… -2 (iv) -15 …….. 13 (v) -231 …. -132 (vi) -6 …… 6

Divide (i) 0.196 by 1.4 (ii) 39.168 by 1.2 (iii) 0.228 by 0.38