Question

Question 10 of 12
10. Question
The average of three numbers is 70. The first number is twice the second and the second number is
twice the third. Find the first number.

Answer 1

Answer:

first number =4x

second number =2x

third number =x

(4x + 2x+ x)/3 =70

7x/3 = 70

7x = 70×3

7x = 210

x=30

first number = 4x

=4×30 = 120

second number= 2x

= 2×30 = 60

third number= x

=30

so your required answer is 120

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