Question
Sum of first 20 terms of an AP is 610. First term = 12. Find approximate common difference.
More Arithmetic Progression Questions
- The cost of an item is 'A'. A shopkeeper increases the price by 'x'%, then applies a discount of 'd'% on the increased price. After applying the discount, ...
- Mean of a grouped data calculated using direct method, assumed mean method or step deviation method:
- Find the mean of the given data set: 7, 11, 9, 13, 15, 10
- Between 3 and 96, three numbers are inserted to form a GP. Find the second inserted term.
- The mode and the mean of grouped data are 25 and 29.5 respectively. Find the median, correct to two places of decimal, using empirical relation.
- Boat ‘A’ can cover 320 km in still water in 16 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 5:3 and the speed of stream i...
- A shopkeeper bought two article A&B for a total of rupees 3500. He marked Article A 140% above its cost price and sold it after giving a discount of 20% wh...
- 3600, 600, 120, 30, 10, ?
- Find the curved surface area of a right circular cone with a radius of 40 cm. The height of the cone is one-third of the length of a rectangle. The rectang...
- If A and B are two sets such that the number of elements in A is 20, a number of elements in B is 18 and the number of elements in both A and B is 10, find...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
