Indicate the following by using integers: (i) `25^0` above zero (ii) `5^0` below zero (iii) A profit of Rs. 800 (iv) A deposit of Rs. 2500

Indicate the following by using integers: ( i) 3km above sea level (ii) 2km below sea level

Indicate the following using '+' " or " '-' sign : (i) A gain of Rs. 600 (ii) A loss of Rs. 800 (iii) 7^(@) C below the freezing point (iv) Decrease of 9 (v) 2 km above sea level (vi) 3 km below sea level (vii) A deposit of Rs. 200 (viii) A withdrawal of Rs. 300

Write the opposite of each of the following : (i) An increase of 8 (ii) A loss of Rs. 7 (iii) Gaining a weight of 5 kg (iv) 10 km above sea level (v) 5^(@) C below the freezing point (vi) A deposit of Rs. 100 (vii) Earning Rs. 500 (viii) Going 6 m to the east (ix) 24 (x) -34

Use a positive or a negative number to denote each of the following. (i) Profit of Rs. 188 (ii) Loss of Rs. 254

Which of the following statements are true? (i) The smallest integer is zero (ii) The opposite of zero is zero (iii) Zero is not an integer (iv) 0 is larger than every negative integer. (v) The absolute value of an integer is greater than the integer. (vi)A positive integer is greater than its opposite (vii)Every negative integer is less than every natural number. (viii)0 is the smallest positive integer.

Mark the following integers on a numbe line : (i) -5 " " (ii) -2 " " (iii) 0 (iv) 7 " " (v) -13

Express each of the following without using decimals: Rs. 5.25 (ii) 8.354 kg (iii) 3.5 cm

From Fig 15.14, choose the letter (s) that indicate the location of the points given below: (i) (2,1) (ii) (0,5) (iii) (2,0) Also write (iv) The coordinates of A. (v) The coordinates of F.

Represent the following complex numbers in the complex plane: (i) 1+2i (ii) 5+7i (iii) 0+0i (iv) i .

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