शुद्ध जल की मोलरता होती है -
(i) 55.56 , (ii) 5.556
(iii) 0.18 , (iv) 0.018.

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

State the number of significant figures in each of the following numbers : (i) 3.56 (ii) 35.6 (iii) 0.356 (iv) 0.0356.

If p+iq=0 then p+q is (i) 1(ii)-1(iii)-2 (iv) 0

Write each of the following as percent: (i) 13: 75 (ii) 15: 16 (iii) 0.18 (iv) 7/(125)

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

Which of the following are rational numbers? (i) 5/15 , (ii) -6/23 , (iii) 17, (iv) -25, (v) 0

The coordinates of the foot of the perpendicular from the point (2,3) on the line x+y-11=0 are (i) (-6,5) (ii) (5,6) (iii) (-5,6) (iv) (6,5)

Find the quotient: (i) 0.018 /0.6 (ii) 0.0018 / 0.09 (iii) 0.196 /1.4

Which of the following points lies on the X-axis? (i) (4.0) (ii) (5,0) (iii) (0, -2) (iv) (0,0)

Find, which of the following points lie on the line x - 2y + 5 = 0 : (i) (1, 3) " " (ii) (0,5) (iii) (-5, 0) " " (iv) (5,5) (v) (2, -1.5)" "(-2, -1.5)