Question
The bisectors BI and CI of ∠B and ∠C of a ∆ ABC
meet in I. If ∠A = 38°, then what is ∠BIC equal to?Solution
The correct answer is D
If a + 1/a = -2 then the value of a1000 + a- 1000 is
The simple interest accrued on a sum at the rate of 10% p.a. for two years is Rs. 5,000.
Quantity I – What will be the compound interest on...
If X = (√5 + 1) / (√5 – 1) and y = (√5 – 1) / (√5 + 1) then the value of (x 2+xy+y ...
If α and β are the roots of equation x2 – x + 1 = 0, then which equation will have roots α3 and β3?
...The value of x which satisfies the equation (x+a2+2c2) / (b+c) + (x+b2 +2a2) / (c+a) + (x+c+2b2) ...
If x3 + y3 + z3 = 3(1 + xyz), P = y + z – x, Q = z + x – y and R = x + y – z, then what is the value of P...
If 2y cos θ = x sin θ and 2x sec θ - y cosec θ = 3, then the value of x2+ 4y2 is
...If x sin3 θ + y cos3 θ = sin θ cos θ and x sin θ − y cos θ = 0, then the value of x2 + y2 equals
The total number of even factors of 25 × 33 × 52 is:
If 2cos2 Ɵ – 5cos Ɵ + 2 = 0,00 < Ɵ < 900 , then the value of (cosec Ɵ + cot Ɵ) is :