a) 6/25 + 7/25 + 3/25

9/25 - 12/25 + 7/25

In Delta ABC if r_1=2r_2=3r_3 and D is the mid point of BC then Cos/_ADC is (a) 7/25 (b) -7/25 (c) 24/25 (d) -24/25

sin{2\ cos^(-1)(-3/5)} is equal to (a) 6//25 (b) 24//25 (c) 4//5 (d) -24//25

12% as a fraction is (a) 3/(25) (b) 4/(25) (c) 3/(20) (d) 6/(25)

If tantheta=3/4 , then cos^2theta-sin^2theta= (a) 7/(25) (b) 1 (c) -7/(25) (d) 4/(25)

If the mean of the following data is 20.6. Find the value of p . x : 10 15 p 25 35 f : 3 10 25 7 5

The mean of the following data is 20.6. Find the value of 10 15 p 25 35 3 10 25 7 5

Simplify: (i) 7/18 + 5/6 , (ii) (-9/25) + 3/5 , (iii) (-8/35) + (-2/7)

Two non-negative integers are chosen at random, then the probability that the sum of their squares is divisible 5 is 7/(25) (b) 8/(25) (c) 9/(25) (d) 5/(25)

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