Question
The average age of each of the 20 employees in an IT
company is 20 years. When you include the age of the Team leader, the company's average age becomes 22 years. What is the age of the Team leader?Solution
ATQ, Sum of age of all 20 employees = 20 Γ 20 = 400 years And, sum when the age of tean leader is also included = 22 Γ 21 = 462 years So, age of the team leader = 462 - 400 = 62 years
124, 143, 168, 202, 242, 289
10 3 7 6 40 310
...Find the wrong number in given number series.
2048, 2258, 2378, 2438, 2454, 2468
124, 132, 118, 140, 108, 148
16,22,30,45,52,66
In each of the following number series, one term is wrong. Find the WRONG term.
2, 6, 18, 54, 164, 486
214, 223, 248, 297, 378, 489
420, 380, 340, 300, 280, 220, 180
Find the wrong number in the given number series.
30, 26, 24, 18, 14, 10
23, 36, 75, 140, 233, 348