Question

1. 1. 4. In a school, all the students can stand in a row, so that each row Find the least number of students in the school 5. Three pieces of timber 70 m. 112 m and 140 m long have to be divided into planks of the same length. What is the greatest possible length of each plank​

Answer 1

Answer:

We have to divide the timber into equal length of planks. ∴ Greatest possible length of each plank = HCF (42, 49, 63) Prime factorization: 42 = 2 × 3 × 7

Step-by-step explanation:

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Answer 2

Answer:

no of students in a row = 5

no of timbers = 70m

122and 140 divided

122=24and 140=20