Question
The average cost price of 21 pens (having equal cost
price) decreased by Rs.3, when one of the pen is replaced by a new pen having cost price of Rs.55. Find the cost price of the pen that was replaced.Solution
Let the cost price of each pen be Rs.x So, cost price of 21 pens = Rs.21x According to the question, => (21x – x + 55)/21 = x – 3 => 20x + 55 = 21x – 63 => x = 118 Therefore, the cost price of the pen that was replaced is = Rs.118
Five persons are standing in a row facing north. S is standing at the second place to the right of A. J is not next to E. If V is standing second from t...
How is U related to T?
How many people sit between the one who lives in Hyderabad and the one who stays in Bangalore when counted anticlockwise from the one who stays in Hyder...
Who among the following person sits third to the left of the one who likes Yellow Colour?
Eight people are sitting around a circular table on a wooden table. R is sitting between M and B. B is sitting third to the right of P. A sits between P...
What is the position of Rohan with respect to Hitesh?
Who among the following likes Brown?
Five friends, D, E, F, G and H, are sitting in a straight line. D and E are adjacent to each other. E is between D and F. D is third to the left of G. G...
There are five persons D, E, F, G and H, who sit in a straight row. F sits second to the right of D. Neither E nor H sits to the left of F. G sits seco...
Who among the following sits second to the left of C?
Relevant for Exams:
