Question

Average height of aclass f 30 students is 1m 50cm6new students increse average height by1metre55cmdetermine averge height of 6new students

Answer 1

Answer: 180 m

Step-by-step explanation:

Average height of 30 students is 150 cm

So total height of 30 students is 30x150=4500

Similarly total height of 36 students is 36x155=5580

So total height of 6 new students=5580-4500=1080

Average of these six students = 1080/6

=180