Question
5, 9, 18, 34 , ?
What will come in place of question mark (?) in the following seriesSolution
4+12 =5 , 5 +22 = 9 , 9 +32=18 , 18 +42 = 34, 34 +52 = 59
- Salaries of M, N and O are in the proportion 4:6:5. Their average salary is Rs. 18,000. If M spends 50% of salary, N spends 60%, and O spends 70%, find the...
In a college of 35 students, the average speed of typing in an English class is 50 words per minute, but after one student left a...
The average age of 10 men is increased by 2 years when two of them whose age are 24 and 26 years replaced by two new men. The average age of the two ne...
In a family of 8, the men eat on average 70 kg of food and women eat on an average 51 kg of food. The men and women are equal in number. A woman joined ...
A is 75% more than B. C is 60 less than A. Average of A, B and C is 340. The ratio of B and C is 2:x. Find the value of x.
The average of 25, 46, and ‘y’ is 28. What is the value of ‘y’?
- The first six days of a week had an average rainfall of 90 cm, while the last six days recorded an average of 98 cm. If the weekly average rainfall was 95 ...
The average age of 6 sisters is 30 yr. If the age of the youngest sister be 5 yr. What was the average age of the group of sister just before the birth ...
Ajay on his birthday distributed on an average 9 toffees per student. If on the arrival of the teacher and the headmaster to whom Ajay gave 16 and 22 to...
The average age of 18 children and their teacher's age are 15 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?