IBPS Government Jobs Exams Numerical Ability Averages

The average age of a group of some persons is 16.75 years. By joining 20 new persons with an average age of 13.25 years, the average age of the group becomes 15 years. Find out the number of persons in the group Initially. A) 20 B) 21 C) 23 D) 24 E) 26

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IBPS Other Question

Two trains leave Delhi for Kolkata at 6:00 am and 6:30 am and travel at a speed of 50 Kmph and 75 Kmph respectively, then after how many kilometers from Delhi both trains will be together? A) 85 Km B) 75 Km C) 45 Km D) 55 Km E) None of these If the ratio of incomes of A and B in 2001 is 2 : 3 and the ratio of incomes of A in 2001 and 2002 is 4 : 5. Find the expenditure of A in 2002, if saving in the same year is Rs. 4000. It is given that in 2001 the sum of income of A and B is Rs. 25000.
A) Rs. 5000 B) Rs. 10500 C) Rs. 9500 D) Rs. 7500 E) Rs. 8500