In a ΔABC, ∠A = 900, ∠C = 550, . What is the value of ∠BAD
If x2 = y+z, y2 = z+x and z2=
x+y, then the value of 1/1+x + 1/1+y + 1/1+z is
The numerator of a fraction is 4 less than its denominator. If the numerator is decreased by 2 and the denominator is increased by 1, then the denominator becomes eight times the numerator. Find the fraction.
An equation of the form ax+by+c = 0. Where, a ≠0, b ≠ 0 and c = 0 represents a straight line which passes through
A number x when divided by 289 leaves 18 as the remainder. The same number when divided by 17 leaves y as a remainder. The value of y is
If a 2 + b 2 + 4c 2 = 2(a + b – 2c) – 3 and a, b, c are real, then the value of (a 2 + b 2 + c 2) is