Question

CLASS IX
CHAPTER 1 NUMBER SYSTEM
(PISA QUESTION)
THEME - 1
BIRD WING SPAN
Q1.How much longer is the wingspan of the albatross than the wingspan of a sea gull?

Q2.Find the ration of the wingspan of a golden eagle of the wingspan of a blue jay?

Q3. As per the given information which the bird can cover maximum distances in 10 minutes?

Q4.If all birds shown in the figure were made to fly at the same time, then which one will be third from last?
A) Albatross B) Golden eagle C) Sea gull D) Blue Jay

Please Solve these question ​

Answer 1

Given : diagram showing  the wingspans of different species of birds.

To find : [a]How much longer is the wingspan of an Albatross than the

wingspan of a Sea gull?

(b) How much longer is the wingspan of a Golden eagle than the

wingspan of a Blue jay?

Solution:

wingspan of a Sea gull   = 1 7/10  = 17/10  m

wingspan of an Albatross  = 3 3/5  = 18/5  m

wingspan of an Albatross longer than wingspan of a Sea gull

= 18/5 - 17/10

= 36/10 - 17/10

= 19/10 m

wingspan of a Golden eagle  -= 2  1/2  = 5/2  m

wingspan of blue jay  = 41/100  m

wingspan of a Golden eagle   longer than wingspan of blue jay

= 5/2 - 41/100

= 250/100  - 41/100

= 209/100 m

ratio  of the wingspan of a golden eagle of the wingspan of a blue jay = (5/2)/ (41/100)

= 250/41

wingspan of an Albatross longer than wingspan of a Sea gull  = 19/10 m

wingspan of a Golden eagle longer than wingspan of blue jay  = 209/100 m

 ratio  of the wingspan of a golden eagle of the wingspan of a blue jay =  250/41

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Answer 2

first solve value and then you are able to find answer..