***Profit and Loss Short-tricks*** 1. Gain = SP- CP 2. Loss = CP- SP 3. Gain on Rs. 100 is Gain per cent 4. Gain% = (Gain x 100)/CP 5. Loss on Rs. 100 is Loss per cent 6. Loss% = (Loss x 100)/CP 7. When the Cost Price and Gain per cent are given: SP = [(100+Gain %)/100] x CP 8. When the Cost Price and Loss per cent are given: SP = [(100-Loss %)/100] x CP 9. When the Selling Price and Gain per cent are given: CP = [100/(100+Gain %)] x SP 10. When the Selling Price and Loss per cent are given: CP = [100/(100-Loss %)] x SP 11. When p articles are sold at the cost of q similar articles, the Profit/Loss % = [(q-p)/p]x100 12. If two articles are sold at the same price with a profit of x % on one and a loss of x % on the other, the net loss % = (x2/100)% 13. If two articles bought at the same price are sold with a profit of x % on one and a loss of x % on the other, then overall there will be No Profit No Loss ***Simple and Compound Interest Shortcuts*** 1. Simple Interest, SI = PTR/100 2. Principal, P = 100 x SI/RT 3. Rate, R = 100 x SI/PT 4. Time, T = 100 x SI/RP 5. Amount, A = P + SI = P + (PTR)/100 6. If a certain sum of money becomes n times itself at R% p.a. simple interest in T years, then T = [(n-1)/R] x 100 years 7. If a certain sum of money becomes n times itself in T years at a simple interest, then the time T’ in which it will become m times itself is given by T = (m-1/n-1) x T years /////////////////////////////////////////////////// twitter/sansarlochan
Posted on: Sat, 09 Aug 2014 07:19:16 +0000
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