Which term of the AP: –2, –7, –12,… will be –77? Find the sum of this AP upto the term –77.
The first term of an AP is –5 and the last term is 45. If the sum of the terms of the AP is 120, then find the number of terms and the common difference.
How many numbers lie between 10 and 300, which when divided by 4 leave a remainder 3?
If sum of the 3rd and the 8th terms of an AP is 7 and the sum of the 7th and the 14th terms is –3, find the 10th term.
If the nth terms of the two APs: 9, 7, 5, … and 24, 21, 18,… are the same, find the value of n. Also find that term.
The angles of a triangle are in AP. The greatest angle is twice the least. Find all the angles of the triangle.
+91 94284 01196
© Copyright 2025. Doubtora. All Rights Reserved
