`13/5-5/13`=

5/13-5/13 =

Work out the following : 7/13+2/13-5/13

3/13-2/13+5/13 =

2 3/5-:5/7=\ (a) (13)/7 (b) (13)/(25) (c) (91)/(25) (d) (25)/(91)

4/13+9/13+2/13=-/13

7/13+(-9)/13=(__+(-9))/13=-/13

The reciprocal of the fraction 2 3/5 is (a) 2 5/3 (b) (13)/5 (c) 5/(13) (d) 2 2/5

Evaluate: (-3)/(13)+((-5)/(13))

If x ,2x+2 and 3x+3 are the first three terms of a G.P., then the fourth term is a. 27 b. -27 c. 13.5 d. -13.5

If [(2+x,3,4),(1,-1,2),(x,1,-5)] is a singular matrix then x is (A) 13/25 (B) -25/13 (C) 5/13 (D) 25/13