HARD
6th CBSE
IMPORTANT
Earn 100

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 50
Medium 80
Large 100

150 photographs worth 10,250 were sold. If 75 of them were of small size, find how many large size photographs were sold?

 

34.62% studentsanswered this correctly

Important Questions on Playing with Numbers

MEDIUM
6th CBSE
IMPORTANT

Which of the following number is not a factor of 342?

HARD
6th CBSE
IMPORTANT
Write co-prime pairs using the three consecutive numbers 13, 14 and 15.
HARD
6th CBSE
IMPORTANT

For an international school competition, students’ stay is booked in two hotels  148 students in Hotel 1 and 164 students in Hotel 2. An equal number of students are accommodated in each hotel room.

What can be the maximum number of students in a room?

HARD
6th CBSE
IMPORTANT
John, Rishi and Feroz participated in track events. During practice sessions, their coach observed that John took 48 seconds, Rishi took 72 seconds and Feroz took 108 seconds to run around a circular track. If they start running together at 6 am for half an hour, how many times will they all come together at a same position?
HARD
6th CBSE
IMPORTANT

Jaya baked mufins using paper liners and cherries. Some paper liner packets contain 8 liners, while others contain 10 liners. A packet of cherry contains 6 cherries. Every mufin Jaya baked contained 1 cherry. All cherries and paper liners were used up.

What can be the minimum number of mufins baked by her?

HARD
6th CBSE
IMPORTANT

Jaya baked and sold vanilla mufins at 15 and chocolate mufin at 18. She earned equal amounts from the sale of both mufins. 

How many vanilla and chocolate mufins did she sell?

HARD
6th CBSE
IMPORTANT

Three numbers are in the ratio 1:2:3 and their HCF is 6, the numbers are

HARD
6th CBSE
IMPORTANT

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 96 ft and a width of 56 ft

What is the length of the longest measuring stick that can be used to measure each side of the land, without breaking it?