Question
The simple interest received after 2 years on Rs (x +
800) at the rate of 20% p.a is Rs (2x – 1800). The amount received on Rs 4x when invested at 50% p.a compound interest, compounded annually for 2 years can be:Solution
If (a + b + c) = 18 and (ab + bc + ca) = 100, then find the value of (a² + b² + c²).
Given that x8-34x4+1=0, x>0. What is the value of (x3+ x-3)?
Present age of Vikrant is 20% less than the present age of Priya. Age of Vikrant 5 years ago was 50% the present age of Priya. Find the present average ...
If x + y = 2 and 1/x + 1/y = 18/15, then find the value of (x3 + y3)?
Solve for x:- 5(x − 2)/3 = 3(x + 4)/2
 `sqrt(sqrt(20+sqrt(20+sqrt(20)) ... prop)`  = ?

(288 ÷ 8)² × (144 ÷ 24)³ = 24 × ? × (51840 ÷ 20)
- If (x + y + z) = 10 and (x 2 Â + y 2 Â + z 2 ) = 52, then find {z(x + y) + xy}.