`5, 5r, 5r^2 `are sides of a triangle. Which value of r cannot be possible (a) `3//2` (b) `5//4` (c) `3//4` (d) `7//4`

If 5, 5r and 5r^(2) are the lengths of the sides of a triangle, then r cannot be equal to

What is the value of (a+b)/(a-b) , if a/b=4? (a) 3/5 (b) 5/3 (c) 4/5 (d) 5/4

The Value of 2/{2+2/{2 2/2}} (a) 5/4 (b) 3 (c) 3/4 (d) 5

The positive integers p ,q and r are all primes if p^2 − q^2 = r , then possible value of r is 3 (b) 5 (c) 7 (d) 1

The positive integers p ,q and r all are prime if p^2-q^2=r , then possible value of r is 3 (b) 5 (c) 7 (d) 1

If the lengths of the side of a triangle are 3,4 and 5 units, then find the circum radius R.

Find the sum of the following algebraic expressions : 4p + 3q + 5r , 6p - 4q - r , 2p + q + 7r

In triangle A B C , if r_1=2r_2=3r_3, then a : b is equal to 5/4 (b) 4/5 (c) 7/4 (d) 4/7

IF the lengths of the side of triangle are 3,5 and 7, then the largest angle of the triangle is pi/2 (b) (5pi)/6 (c) (2pi)/3 (d) (3pi)/4

Let P Q R be a triangle of area with a=2,b=7/2,a n dc=5/2, w h e r ea , b ,a n dc are the lengths of the sides of the triangle opposite to the angles at P ,Q ,a n dR respectively. Then (2sinP-sin2P)/(2sinP+sin2P)e q u a l s 3/(4) (b) (45)/(4) (c) (3/(4))^2 (d) ((45)/(4))^2