Question

There are 315 mango saplings, 420 guava
saplings and 1155 banana saplings to be planted
in rows and columns in a plantation. If saplings
of each type must be planted together and each
row must have an equal number of saplings
then
a) What can be the maximum number of
saplings in each row?
b) What is the minimum number of rows
required to plant all saplings?​

Answer 1

Answer:

a)21

b)90

Step-by-step explanation:

total No.Of saplings=315+420+1155

=1890

HCF OF 315, 420, 1155..IS...7

EACH ROW HAS MAXIMUM 7 SAPLINGS OF EACH...TO SATISFY ALL THE ROWS SHOULD BE EQUAL

HENCE 7+7+7=21

Total No of saplings=1890

each row has=21

No.of rows...=1890/21

=90