Question

TUU
80
11. Find next two terms and nth term of the series
1,3,5,7,9,11...
12. Raghu's father is thrice as old as Raghu. If fathers age is
60 years. Find Raghu's age.
13. Are 15, 45, 40, and 120 in proportion? Verify.​

Answer 1

11) 13, 15 and 17

12)let Raghu's age be x

so,

3x = 60 => x = 60/3 => x=20

Raghu's age is 20.

13) 15 : 45 : 40 : 120

Product of means = Product of extremes

45*40 = 120*15

1800 = 1800

Hence, they are proportional to each other.

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