MEDIUM
CAT
IMPORTANT
Earn 100

Find the sum to first n groups of (1)+(1+3)+(1+3+9)+(1+3+9+27)+

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Important Questions on Sequence, Series & Progressions

HARD
CAT
IMPORTANT
Find the sum to n terms of the following series: 2+5+14+41+
EASY
CAT
IMPORTANT
Find the sum to n terms : 1+2x+3x2+4x3+x1
MEDIUM
CAT
IMPORTANT
Find the sum to n terms of 1+3x+5x2+7x3+, x11$
HARD
CAT
IMPORTANT
Find the sum to first n terms: 1+23+332+433+
EASY
CAT
IMPORTANT
Find the sum to n terms of 3·2+5·22+7·23+
MEDIUM
CAT
IMPORTANT
Find the sum of the series : 1+45+752+1053+ to  terms:
MEDIUM
CAT
IMPORTANT
Find the sum of the series 1·32+2·52+3·72+ to 20 terms:
MEDIUM
CAT
IMPORTANT
Find the sum of the series 131+13+231+3+13+23+331+3+5+ to 20 terms :