
Photographs are sold in small, medium and large sizes. The cost of photographs according to their size is given in the table below:
Photograph size
Cost (Rs.)
Small
Medium
Large
photographs worth were sold. If of them were of small size, find how many large size photographs were sold?


Important Questions on Playing with Numbers
Which of the following number is not a factor of ?


For an international school competition, students’ stay is booked in two hotels students in Hotel and students in Hotel . An equal number of students are accommodated in each hotel room.
What can be the maximum number of students in a room?


Jaya baked mufins using paper liners and cherries. Some paper liner packets contain liners, while others contain liners. A packet of cherry contains cherries. Every mufin Jaya baked contained cherry. All cherries and paper liners were used up.
What can be the minimum number of mufins baked by her?

Jaya baked and sold vanilla mufins at and chocolate mufin at . She earned equal amounts from the sale of both mufins.
How many vanilla and chocolate mufins did she sell?

Three numbers are in the ratio and their is , the numbers are

The measurement of a rectangular piece of land is to be verified quickly while minimising the errors in the measurement. The land has a length of and a width of .
What is the length of the longest measuring stick that can be used to measure each side of the land, without breaking it?
