Question
Rohit, Dhawan, Virat, Dhoni and Mayank are five friends.
Their mean age is 28. What is the age of Virat? Statement I : Rohit’s age is 28 Statement II : Dhawan’s age is 6 years less than Mayank and Mayank’s age is 10 years less than Dhoni. Statement III : Virat’s age is 12 years more than Dhawan’s age and 6 years more than Mayank’s age. In each of the following questions, a question and some statements are given. You have to decide whether the date given in the statements is sufficient to answer the question or not.Solution
Rohit + Dhawan+ Virat + Dhoni + Mayank= 28 × 5 = 140 From statement I: Dhawan+ Virat + Dhoni + Mayank= 112 From statement II: Dhawan = Mayank – 6 and Mayank = Dhoni – 10 so, Dhoni = Mayank + 10 From statement III: Virat = Dhawan + 12 and Mayank + 6 ;Combining all three statements, we get the age of Virat.
A-5,  A,  35,  52, 78, 115
30, 42, 48, 54, 65, 81, 126
- Find the wrong number in the given number series.
25, 34, 18, 34, 9, 46 Find the wrong number in the given number series.
32, 48, 72, 108, 162, 245
Find the wrong number in the given number series.
1600, 800, 1200, 400, 100 , 12.5
547, 594, 640, 691, 741, 792
Find the wrong number in the given number series.
26, 38, 60, 110, 206, 398
75, 450, 225, 1330, 675, 4050
Find the wrong number in the given number series.
8, 12, 23, 40, 66, 103
62, 79, 98, 119, 142, 165