Question Text
Question 1 :
Find the sum of the first 40 positive integers divisible by 6.
Question 2 :
In an AP, given $a_3 = 15, S_{10} = 125$, find d and $a_{10}$.
Question 3 :
In an AP, given $a = 7, a_{13} = 35$, find d and $S_{13}$.
Question 4 :
A sum of Rs. 700 is to be used to give seven cash prizes to students of a school for their overall academic performance. If each prize is Rs. 20 less than its preceding prize, find the smallest value of the prize.
Question 5 :
Find the sum of the following AP: 34 + 32 + 30 + . . . + 10
Question 6 :
In an AP, given $a = 3, n = 8, S = 192$, find d.
Question 7 :
Find the sum of the first 15 terms in $a_n = 9 – 5n$
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19bc4273b230584979a10.JPG' />
In the above fig, find the missing value corresponding to (i)
Question 9 :
Find the 31st term of an AP whose 11th term is 38 and the 16th term is 73.
Question 10 :
Which term of the AP : 3, 15, 27, 39, . . . will be 132 more than its 54th term?