Question
Find the wrong number in the given number series.
26, 38, 70, 116, 178, 256Solution
ATQ, 26 + 14 = 40 40 + 30 = 70 70 + 46 = 116 116 + 62 = 178 178 + 78 = 256 So, 40 will come in the place of 38
The average weight of 5 students in a study group is 38 kg. If the weight of 2 mentors is also included, then the new average weight of each person (men...
- The average of the first three numbers is twice the average of the next six numbers. If the average of all nine numbers is 20, then find the sum of the las...
The average weight of 44 employees in an office is 45 kg. When the manager's weight is included, the average weight rises by 1 kg...
The certain sum amounts to Rs11313.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
Find the mean of the following observations:
45, 54, 42, 56, 46, 48, 52, 50, 57, 43The average weight of 6 employees in an office increases by 3 kg when the boss is included. The sum of the average weight of the 6 employees and the bos...
The average age of husband, wife and their child 4 years ago was 26 years and that of wife and the child 5 years ago was 25 years. The present age of th...
The average of five even numbers is 74. If we replace two of these even numbers, 84 and 96, with a single even number X, the new average decreases by 4....
The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest chi...
The average of 27 numbers is 25.The average of first 13 numbers is 16 and that of the last 13 numbers is 19. What will be the 27th number?
Relevant for Exams:
