Fill in the blanks (i) An arc is a __________ when its ends are the ends of a diameter.

(i) The judge said that only fresh evidence would make him change his judgement.  (ii) I didn’t notice any serious difference of opinion among the debaters, although they differed from one...

(a) (–8) + 8 = 0  (b) 13 + (–13) = 0  (c) 12 + (–12) = 0  (d) (–4) + (–8) = –12  (e) 5 – 15 = –10

(i) Zero has  No reciprocal. (ii) The numbers 1 and -1 are their own reciprocals (iii) The reciprocal of − 5 is -1/5. (iv) Reciprocal of x , where x≠0  is x. (v) The product of two rational numbers is always a...

(–a) + b = b + Additive inverse of  a

23 × ( – 99) = 23 × ( – 100 +1) = 23 × -100 + 23 ×1

2/3 of 27 is 18

25.4 x 1000 =25400

4.7 ÷ 100 = 0.047

(i) The centre of a circle lies in interior of the circle. (ii) A point, whose distance from the centre of a circle is greater than its radius lies in exterior...

40% of 250 km is 100 km.