Question
In a company, there are 15 employees. The average age of
all the employees is 32 years.If the age of two directors and 1 supervisor is included, then the average age is increased by 2 years. Find the average age of two directors and one supervisor.Solution
ATQ, Average age of 15 employees = 32 years Sum of the ages of 15 employees = 32 × 15 = 480 After including the age of 2 directors and 1 supervisor, new average age = 34 years Sum of the ages of 15 employees including directors and supervisor = 34 × 18 = 612 Sum of the ages of 2 directors and 1 supervisor = 612 – 480 = 132 Average age of 2 directors and 1 supervisor = 132/3 = 44 years
- Find the wrong number in the given number series.
3, 28, 253, 858, 2103, 4128 - Find the wrong number in the given number series.
9, 8, 18, 51, 208, 1045 Find the wrong number in the given number series.
20, 33, 50, 69, 93, 121
124, 132, 118, 140, 108, 148
12, 23, 35, 47, 59, 73
Find the wrong number in the given number series.
10, 17, 26, 39, 59, 85
- Find the wrong number in the given number series.
10, 19, 3, 28, 5, 54 1001, 934, 863, 790, 711, 630, 539
2400,3600,5400,7200,12150
P, Q and R invested their capitals in a business in the ratio 5:6:4 respectively. At the end of the year, they received profits in the ratio 10:18:8 res...
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