Question
Solution
⇒ A = (1 + 4/5)B = 9B/5 ⇒ C = (100% - 48 4/7%)(A + B) = 51 3/7% (9B/5 + B) ⇒ C = (3.6/7) × (14B/5) = 7.2B/5 Difference between A and C = 1.8B/5 ⇒ Percentage = (1.8B/5)/(9B/5) × 100 = 0.2 × 100 = 20% ∴ The required percentage = 20%
If x 8 + x -8 = 194, then find the value of (2x 2 – 4) 2 – 1.
If (5x - 2y) = 170 and 4x:3y = 32:9, then find the value of (3x² + y²).
1/3 + 1/15 + 1/35 + 1/63 + 1/99 = ?
If x:y:z = 3:4:6, and (5x + 3z) = 132, then find the value of '3y'.
when x =4 and y =-6 then find the value of 27x³ +58x²y +31xy² +8y³?
If 27 (x+y)³ − 8(x−y)³ = (x + 5y) (Ax² + By² + Cxy), then what is the value of (A+B-C)?
Solve the inequality:
(x − 1)/(x + 2) > 2.
Which of the following represents the solution set?
(A) x < −5
(B) −5 < x <...
If (528 – 507 + 195) ÷ 11 + √1296 = x, then {(x/2) + 10} = ?
Find the value of ‘x’ in the given expression:
(49/16)x × (64/343)x-1 = 4/7
- If (x 2 = 12x – 36), then find the value of [x³ + (x⁴/36)][6 - x³]