Class 5 LCM And FCF CBSE Questions & Answers

Find the common factors of 9, 12 and 16.

Find the common factors of 60, 45 and 105

Find the H.C.F of 24 and 32.

Find the H.C.F of 16 and 21.

Find the H.C.F of 18, 24 and 30.

Tina has a bag of 36 orange-flavoured sweets and Pooja has a bag of 44 grape- flavoured sweets. They have to divide up the sweets into small trays with equal number of sweets; each tray containing either orange-flavoured or grape-flavoured sweets only. If there is no remainder, find the largest possible number of sweets in each tray.

Meena is pasting pieces of square coloured paper of equal size onto a board measuring 72 cm by 90 cm. If only whole square pieces are used, and the board is to be completely covered, find the largest possible length of the side of each square coloured paper.

Suraj has 8-inch pieces of toy train track and Rohan has 18-inch pieces of train track. How many of each piece would each child need to build tracks that are equal in length?

Two lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. In 60 seconds, how many times will they blink at the same time?

Two wires with lengths of 448 cm and 616 cm are to be cut into pieces of all the same length without remainder. Find the greatest possible length of the pieces.

Leena has swimming lessons every fifth day and diving lessons every third day. If she had a swimming lesson and a diving lesson on May 5, when will be the next date on which she has both swimming and diving lessons?

Beginning at 8:30 a.m., tours of the Red for and the Rashtrapati Bhawan at a tour agency. Tours for the Red for leave every 15 minutes. Tours for the Rashtrapati Bhawan leave every 20 minutes. How often do the tours leave at the same time?

On a track for remote-controlled racing cars, racing car A completes the track in 28 seconds, while racing car B completes it in 24 seconds. If they both start at the same time, after how many seconds will they be side by side again?

Jyoti and Jia were each given a piece of ribbon of equal length. Janice cuts her ribbons into equal lengths of 2 m, while Jasmine cuts her ribbons into equal lengths of 5 m. If there was no remainder in both cases, find the shortest possible length of ribbon given to them

Sanjay has 6-inch pieces of pipe and Rakesh has 15-inch pieces of pipe. How many of each piece would each need to build lines that are equal in length?