AP
GP
MEDIUM
HARD
BONUS
100

What is obtained by subtracting any two consecutive terms in an arithmetic sequance ?

common difference , d

100

Progression with equal common difference are known as 

Geometric progression

100

Find the sum of the arithmetic series : -14-8-2-...+142

1728

100

462 is the ____ th term of -2,6,14,...

59

100

What do you call the symbol for summation ?

Sigma 

200

What is the formula to solve for the nth term of an arithmetic sequence

Tn=a+(n-1)d

200

What is formula to find nth term in GP ?

a(n)=ar^(n-1)

200

Find the sum of the arithmetic series described : 

a=15, a_n=-12 , n=30

45

200

What is the nth term of the arithmetic sequence with a(1)=11 and d=15 ?

a(n)=15n-4

200

The list if numbers -10,-6,-2,2,... is 

A) An AP with d=8

B) Not an AP

C) An AP with d=4

D) An AP with d=-4


C) An AP with d=4

300

Which of the following is an example of an arithmetic sequence ? 

A. 1,3,9,27,...

B.1,14,20,30,...

C.1,-1,1,-1,...

D.2,7,12,17,...

D.2,7,12,17,...

300

Given that a=10 , r=3 , n=4, work out the sum of this geometric series 

400

300

The common difference of the A.P can be 

A) Only zero

B) Positive, Negative or Zero

C) Only Positive

D) Only Negative

B) Positive, Negative or Zero

300

If the angle of a right angle triangle are in A.P, then the angles of the triangle will be 

A)45,45,90

B)30,60,90

C)40,50,90

D)20,70,90

B)30,60,90

300

Find the missing term 2,_,26

14

400

In a sequence 

a,3,2,1

What is the first term ?

a=4

400

Which of the following is not a geometric sequence ?

A)5,-5,5,-5,5,..

B)6,2,2/3,...

C)10,5,2.5,1.25,...

D)2,5,8,11,14,...

D)2,5,8,11,14,...

400

Is 200 any term of the AP=3,7,11,15,...

NO

400

Find the missing term for this geometric progression 5,_,8 

6.3245

400

How many multiples of 4 lie between 10 and 250 ?

60

500

Find the 20th term in the sequence described : 

a=16 , d=-2/3

T_20=10/3 @ 3.33

500

If k,6 and 10 are consecutive terms of an geometric sequence, find the value of k 

3.6

500

What kind of progression the triangle of balls does present ? 


An arithmetic progression

500


 

The sum of a geometric progression is shown below. Solve for the variable a

a=S(1-r)/(1-r^n)

500

BONUSS !!! 


WHAT IS MY FAVOURITE COLOUR ? 

IT'S PINKKKKK