Question
Cost price of an article is X. The article is marked up
by Y% and sold while offering a discount of 25%. The profit earned is (Y + 20). When the same article is marked up by (Y + 5)% and sold while offering a discount of 25%, the profit earned is (Y + 65). Which of the following statement is correct?Solution
CP = X MP = (X + XY/100) SP = (X + XY/100) x 75/100 Profit = (Y + 20) We know that, Profit = SP β CP Profit + CP = SP (X + XY/100) x (3/4) = X + Y + 20 ----------(1) Similarly, when the same article is marked up by (Y + 5)% and the profit earned is (Y + 65). We will get: {X + X(Y + 5)/100} x (3/4) = X + Y + 65 ----(2) Subtracting equation (1) by (2), we get {X + X(Y + 5)/100} x (3/4) - (X + XY/100) x (3/4) = (X + Y + 65) β (X + Y + 20) 3/4 { (X + XY + 5X β X β XY)/100} = 45 3/4 x 5X/100 = 45 X = 1200 Y = 40 Putting the value of X and Y in 0.5X = 15Y => 0.5 x 1200 = 15 x 40 => 600 = 600 Therefore, statement I is true.
- Select the number from among the given options that can replace the question mark (?) in the following series.
17, 18, 22, 31, 47, ___ - Which letter and number cluster will replace the question mark (?) to complete the given series?
LT6, KU12, IW24, FZ48, ____ - A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
57, 59, 56, 61, 54, ___ - Which letter-cluster will replace the question mark (?) in the following series?
RGV, UME, ?, AYW, DEF - Which letter-cluster will replace the question mark (?) in the following series?
NPQR, OORQ, PNSP, ____, RLUN