7. Find the average of first 6 multiples of 3. 8. The heights of Raveena's brothers are 112 cm, 128 cm and 120 cm, respectively. Raveena's height is 35 cm more than the average height of her brothers. Find out the height of Raveena.
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Answer:
★New average height will be 168 cm★
Step-by-step explanation:
Given:
Average height of 6 friends is 167 cm Height of the boy who left the group is 162 cm.
To find: New average height
Solution:
→ Total height of 6 friends will be = 6 x
167 cm = 1002 cm
Now, A/q
(A boy has left the group)
→Total height of 5 friends will be =
1002-162 = 840 cm
Hence, New average height = 840/5 = 168 cm
Step-by-step explanation:
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