Question
In a family, there are six members. L is the father of
K. N is married to K. H is the daughter-in-law of N. N is not the father of T. T is the brother-in-law of H. U is the only brother of T. How is K related to U?Solution
(408 × 680)÷(20% of 680) = (250 × 260)÷ 10 + ? – 4500
If (a + b) = 9 and ab = 14, find the value of (a² + b²).
If x2 – 5x + 1 = 0, then find the value of {x2 + (1/x2)}.
If x = 15, find x5 - 16x4 + 16x3 - 16x2 + 16x - 16 = ?
Find ‘x’ if (x³+3x)/(3x²+1) = 189/61
if √1+x/121 = 13/11 then find the value of x.
- If x² - 2x + 1 = 0, then find the value of (x³ + x⁻³)(x + x⁻¹).
If x = (2+√3)/(2-√3), y = (2-√3)/(2+√3). Then find out the value of (x²+y²-xy)/(x²+y²+xy)?
- If 4x + y = 18 and xy = - 10, what is the value of 4x - y?
If the sum of three numbers is zero, then which of the options below will always be equal to the value of the sum of the cubes of those numbers?