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Start learning 50% faster. Sign in nowLet the income of the man be Rs. x Therefore, sum donated to NGO ‘A’ = Rs. 0.20x Sum left with NGO ‘A’ = 0.25 × 0.20x = Rs. 0.05x Sum donated to NGO ‘B’ = Rs. 0.15x Sum left with NGO ‘B’ = 0.2 × 0.15x = Rs. 0.03x Sum donated to NGO ‘C’ = Rs. 0.24x Sum left with NGO ‘C’ = 0.5 × 0.24x = Rs. 0.12x According to the question, 0.05x + 0.03x + 0.12x = 6000 Or, 0.2x = 6000 Or, x = 6000/0.2 = 30000 Therefore, income of man = Rs. 30000
A man covered 40 km by bus and rest 25 km on foot. If the speed of the bus is 150% more than that of the man and the whole distance is covered in 2 hour...
If (x + y) = 10 and xy = 21, then find the value of (x² + y²).
Calculate the value of the expression: {2 X (P3Â - Q3) - 30 X P X Q} if (P - Q) = 6 and (P2Â + Q2) = 80
`25(2/3)+11(1/9)+16(4/5)xx6(5/12)` = ? -`632/45`
A, B and C are three points on a circle such that the angles subtended by the chord AB and AC at the centre O are 110° and 130°, respectively. Then th...
Find the value of ‘x’ in the given expression:
(49/16)x× (64/343)x-1= 4/7
In Δ ABC, ∠ B= 68° and ∠ C 32°. Sides AB and AC are produced to points D and E, respectively. The bisectors of ∠ DBC and...