Question
If J @ C $ B # R, then how is J related to
R? ‘F $ G’ means ‘F is the mother of G’. ‘F # G’ means ‘F is the father of G’. ‘F @ G’ means ‘F is the husband of G’. ‘F % G’ means ‘F is the daughter of G’.Solution
The correct answer is D
If (r + s + t) = 12 and (rs + st + tr) = 60, then find the value of (r² + s² + t²).

If √b + (1/√b) = 11, then find the value of b + (1/b).
(15 x 15 x 15 + 8 x 8 x 8)/(15 x 15 -15 x 8 + 8 x 8) = ?
- If n = 5 + √6, then find the value of (n + 1/n)².
If a+1/a =9, then a5+1/a5 is equal to:
If a + b = 56 and (a – b)² = 496, find the value of the product of a and b.

If, 4x2 + y2 + 12x + 6y + 18 = 0, then find the value of (2x + y)/(y + 6x).
A boat covers 540 km upstream and downstream in 't' time. If the speed of the stream is 8 km/h and the speed of the boat is 10 km/h then find the value ...