Question
Sum of three positive numbers is 120. If the ratio of
the first and second number is 5:7, respectively while difference between the first and third number is equal to the second number, then find the third number.ÂSolution
ATQ,
Let the first number be '5x' So, second number = 5x X (7/5) = '7x' And, third number = 5x + 7x = '12x' ATQ: 5x + 7x + 12x = 120 Or, 24x = 120 So, x = 5 So, third number = 12 X 5 = 60
31                          16.5                       18                     �...
18, 32, 50, 82, 132, ?
16     17      25      ?     99    180
...147      138       120      93      ?      12
...6 2 8 ? 84 416
...23 48 98 198 ? 798
...8, 9, 15, ?,82.5, 250.50
800 400 600 1500 ? 23625
...61, 48, ?, 35, 87, 22
3 12 48 192 768 ?