Question
Sum of the present ages of A, B, C and D is 70 years.
After 5 years ratio of their ages is 5:4:4:2. What is Cβs present age?Solution
At present sum of age = 70 years After 5 years sum of age will be, => 5x + 4x + 4x + 2x = 70 + 5 Γ 4 => 15x = 70 + 20 => x = 6 Cβs present age = 4x β 5 = 19 years
79, 248, ?,Β 225, 125, 206
840, 2520, 630, 3150, ?,Β 3675
7, 8, ?, 52, 209, 1046
70, 95, 145, ?, 320, 445
123, 122, 114, 87, ?, -102
24 36 72 108 216 ?
- What will come in place of the question mark (?) in the following series?
24, 35, 57, 90, 134, ? What value should come in the place of (?) in the following number series?
24, 45, 133, 531, 2655, ?
What value should come in the place of (?) in the following number series?
1.5, 2.5, 4, 6, ?, 11.5
1024, 256, 768, 192, 576, 144, ?