Question

In an examination hall the ratio of invigilators to the students is 1 : 30.
How many invigilators will be required for 210 students?
answer me plzz quick..​

Answer 1

Answer:

Your answer is 7 invigilators

Answer 2

Answer:

7

Step-by-step explanation:

Or let 1 : 30

invigilators = 1

student =30

for 30 student invigilators = 1

for 210 student invigilators =210/30×1

=7×1=7

Hope it helps you

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