The length of the base of an isosceles triangle is 2x­2y+4z, and its perimeter is 4x­2y+6z. Then the length of each of the equal sides is

If x2-3x+1=0, then x+1x is (x≠0)

X and Y are the mid points of sides AB and AC of a triangle ABC. If BC+XY=12 units, then BC-­XY is

If a3-b3 = 56 and a-b = 2, then what is the value of a2+b2 ?

At an average of 80 km/hr Shatabdi Express reaches Ranchi from Kolkata in 7 hrs. Then the distance between Kolkata and Ranchi is

614% of 1600 + 1212% of 800 is equal to

A and B invest Rs. 3000 and Rs. 2400 respectively in a business. If after one year there is a loss of Rs. 720, how much loss will B bear? (Loss or Profit is in proportion to their investments)

If 35% of A's income is equal to 25% of B's income, then the ratio of A's income to B's income is