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If 1+3+5++p+1+3+5++q=1+3+5++r , where each set of parentheses contains the sum of consecutive odd integers as shown, the smallest possible value of p+q+r, ( where p>6 ) is

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Important Questions on Progression and Series

MEDIUM
If the sum of the first 15 terms of the series 343+1123+2143+33+334 3+ is equal to 225K, then K is equal to :
EASY
Which number will come next in the following series?
3, 7, 16, 32, 57, _______
MEDIUM

Select the number that can replace the question mark (?) in the following series.

3, 12, 36, 80, ?, 248

MEDIUM
Some identical balls are arranged in rows to form an equilateral triangle. The first row consists of one ball, the second row consists of two balls and so on. If 99 more identical balls are added to the total number of balls used in forming the equilateral triangle, then all these balls can be arranged in a square, whose each side contains exactly 2 balls less than the number of balls each side of the triangle contains. Then the number of balls used to form the equilateral triangle is
MEDIUM

What will be the next term in the series?

22P, 2Z, 24Q, 4Y, 26R, _____?

MEDIUM
The sum of the series 1+2×3+3×5+4×7+ upto 11th term is:
EASY
Which number will come next in the following series?
 1,4,16,64,256,_______
HARD
If n=1 5 1nn+1n+2n+3=k3,  then k is equal to:
HARD
The sum of the series (1+2)+1+2+22+1+2+22+23+  upto n terms is 
EASY

Which number will replace the question mark (?) in the following series?

57, ? , 62, 71, 87, 112, 148

MEDIUM
The sum 3×1312+5×(13+23)12+22+7×(13+23+33)12+22+32+..... upto 10th term is
EASY
Find the next term in the following series. 4,B,6 C,5 D,7 E,
HARD
The sum of first 9 terms of the series 131+13+231+3+13+23+331+3+5+... is
MEDIUM
The value of r=1630r+2(r-3) is equal to:
HARD
Let Sk=1 + 2 + 3++kk. If S12+S22++S102=512A, then A is equal to :
EASY
If ω, is an imaginary cube root of1, then the value of 12-ω2-ω2+23-ω3-ω2+.....+n-1n-ωn-ω2, is
HARD
Let ai=i+1i for i=1,2, .,20 . Put p=120a1+a2++a20 and q=1201a1+1a2++1a20. Then
MEDIUM
Which number will come next in the following series?
9, 196, 25, 169, 49, 144, 81, _______
EASY
In each of the following questions, a series is given with one/two-term(s) missing. Choose the correct alternatives from the given ones that will complete the series.

B, G, N, W,?

EASY

Find the next term in this series.

2R, 9U, 16X, ______