HARD
10th ICSE
IMPORTANT
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The angles of a quadrilateral are in A.P. with common difference 20°. Find its angles.
 

Important Questions on Arithmetic Progression

HARD
10th ICSE
IMPORTANT
Concise Mathematics>Chapter 10 - Arithmetic Progression>EXERCISE>Q 4
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
Concise Mathematics>Chapter 10 - Arithmetic Progression>EXERCISE>Q 5
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
Concise Mathematics>Chapter 10 - Arithmetic Progression>EXERCISE>Q 6
Split 207 into three parts such that these parts are in A.P. and the product of the two smaller parts is 4623.
 
HARD
10th ICSE
IMPORTANT
Concise Mathematics>Chapter 10 - Arithmetic Progression>EXERCISE>Q 7
The sum of three numbers in A.P. is 15 and the sum of the squares of the extreme terms is 58. Find the numbers.
 
HARD
10th ICSE
IMPORTANT
Concise Mathematics>Chapter 10 - Arithmetic Progression>EXERCISE>Q 8
Find four numbers in A.P. whose sum is 20 and the sum of whose squares is 120.
 
MEDIUM
10th ICSE
IMPORTANT
Concise Mathematics>Chapter 10 - Arithmetic Progression>EXERCISE>Q 9
Insert one arithmetic mean between 3 and 13.
 
HARD
10th ICSE
IMPORTANT
Concise Mathematics>Chapter 10 - Arithmetic Progression>EXERCISE>Q 10
The angles of a polygon are in A.P. with common difference 5°. If the smallest angle is 120°, find the number of sides of the polygon.
 
HARD
10th ICSE
IMPORTANT
Concise Mathematics>Chapter 10 - Arithmetic Progression>EXERCISE>Q 11
1a,1b and 1care in A.P. Show that : bc, ca and ab are also in A.P.