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Start learning 50% faster. Sign in nowLet the weight of the pieces of diamond be 4x, 5x, 6x, 7x Total weight of diamond = 4x + 5x + 6x + 7x = 22x Price ∝ (weight)2 => Price = k(weight)2 ; where, K is constant Original price = k(22x)2 Price of pieces = (16kx2 + 25kx2 + 36kx2 + 49kx2) = 126kx2 Loss in price = 484kx2 – 126kx2 = 358kx2 which is given as 179,000 => 358kx2 = 179000 => kx2 = 500 Original price = 484kx2 = 484 x 500 = 242000
A alone work for 6 days then left the work and B alone finishes remaining work in 12 days. If ratio of time taken by A alone to B alone to finish work ...
P can do a piece of work in 12 days, Q can complete double the work in 20 days and R can do the work in 15 days. If all of them together earn Rs. 2500, ...
36 painters can paint a building in 45 days. If 18 painters started the work and after 30 days ‘v’ more painters joined them such that the remaining...
(x + 7) workers finish 60% of a job in 9 days working 4 hours/day. The remaining work is done by (x + 3) workers in 12 days working 3 hours/day. Find x.
Efficiency of A, and B are in the ratio of 3 : 4. If both can do a work together in 30 days. Find out how much days A will take to complete the work alone?
. If 3 goats or 5 sheep can graze a field in 56 days, then in how many days can 6 goats and 10 sheep graze the same field?
‘P’ and ‘Q’ together can complete an analysis in 40 days, while ‘Q’ and ‘R’ together can complete the same analysis in 30 days. ‘P’ ...
30 men can complete a task in 160 days. 12 men start the work and manage to do half of it. Then, 18 more men are added to the team to help finish the wo...
'Ramesh' can complete a work in 40 days. He started the work and left after 24 days from starting. The remaining work was done by 'Suresh' in 30 days. F...
18 women can weave a carpet in 20 days. If 9 women started weaving the carpet and after 10 days ‘y’ more women joined them such that the remaining w...
