Question
The cost price of 28 articles is the same as the selling
price of ‘x’ articles. if the profit is 40%, then find the value of ‘x’.Solution
ATQ, C.P × 28 = S.P × x S.P/C.P = 28/x Profit % = [(28 – x)/x] × 100 ⇒ 2800 – 100x = 40x ⇒ 140x = 2800 ∴ The value of ‘x’ is 20
More Profit and loss Questions
Given that (3a + 7b = 54) and (ab = 24), determine the value of (9a2 + 49b2).
- If [6a + (1/3a)] = 7, then find the value of [36a² + (1/9a²) - 4]
A solid metallic sphere of radius 15 cm is melted and recast into spherical balls of radius 3 cm each. What is the ratio of the surface area of the orig...
If a3 + b3 = 6240 and a + b = 30, then find the value of {(a + b)2 – 3ab}
Solve for x:
3x - 4 = 2x + 5
If (3x - y) = 3, xy = (2/3), then find the value of {x3 - (y3/27)}
- If x + 4y = 26 and 4x + y = 41, then find the value of (x - y).
- If (680 – 640 + 220) ÷ 12 + √2025 = x, then {(x/2) + 12} = ?
Solve the inequality for real x:
3 − 2x ≤ (x + 1)/2 < 5
(123×123×123 + 130×130×130)/(123×123 - 123×130 + 130×130) = ?
Relevant for Exams:
