HARD
10th ICSE
IMPORTANT
Earn 100

Find the sum of all multiples of 7 lying between 300 and 700.

Important Questions on Arithmetic Progression

HARD
10th ICSE
IMPORTANT
The sum of n natural numbers is 5n2 + 4n. Find its 8thterm.
HARD
10th ICSE
IMPORTANT
The fourth term of an A.P. is 11 and the eighth term exceeds twice the fourth term by 5. Find the A.P. and the sum of first 50 terms.
 
HARD
10th ICSE
IMPORTANT
Find three numbers in A.P. whose sum is 24 and whose product is 440.
 
HARD
10th ICSE
IMPORTANT
The sum of three consecutive terms of an A.P. is 21 and the sum of their squares is 165. Find these terms.
 
HARD
10th ICSE
IMPORTANT
The angles of a quadrilateral are in A.P. with common difference 20°. Find its angles.
 
HARD
10th ICSE
IMPORTANT
Divide 96 into four parts which are in A.P. and the ratio between product of their means to product of their extremes is 15 : 7.
 
HARD
10th ICSE
IMPORTANT
Find five numbers in A.P. whose sum is 12 and the ratio of the first to the last terms is 2:3.
 
HARD
10th ICSE
IMPORTANT
Split 207 into three parts such that these parts are in A.P. and the product of the two smaller parts is 4623.