ganit
☼ Important Points On Simple Interest :
■ Principal ( or Sum or Capital ) : The money lent out or borrowed for a certain period is called the principal or the sum.
■ Interest :
(16) Successive discounts of 30% and 50% is equivalent to a single discount of how many per cent ?
Soln. Let M. P. = Rs. 100
…
(11) If the selling price of 16 articles is the same as the cost price of 12 articles, find loss percent.
Soln. More sell = 4 pencil. Instead of selling = 12 pencils
( for break–even point )
Instead of selling …
(6) A man sells two houses for Rs. 256358 each. On one he gains 15 % and on the other he loses 15 %. Find his gain or loss per cent on the whole transaction.
Soln. In such a problem selling price is immaterial. There is always a …
(1) Find gain or loss percent, when :
(i) C.P. = Rs. 12.00 and S.P. = Rs. 13.80.
(ii) C.P. = Rs. 8.00 and S.P. = Rs. 5.20
Soln. (i) Gain = RS. ( 13.80 – 12.00 ) = Rs.1.80…
☼ Trade Discount ( or Discount ) : The reduction made on the marked price of an article is called as Trade Discount.
If discount is given, then selling price is different than marked price. It is also calle…