MEDIUM
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Find out the wrong number in given number series.

2, 9, 28, 65, 126, 216, 344

50% studentsanswered this correctly

Important Questions on Progression and Series

EASY
What will come in the place of the question mark in the given number series:
89, 86, 78, 63, 39, ?
EASY

Which of the following should come in the place of '?' ?

AB3, DE6, HI10, MN15, ?

EASY

What will come in the place of the question mark in the given number series:

0.75, ?, 6, 36, 288, 2880.

EASY

What will come in place of the question mark (?) in the following number series:

48, 23, ?, 4.25, 1.125

MEDIUM

What should come in place of the question mark for the following question:

1, 244, 163, 190, 181, ?

MEDIUM

What will come in place of question mark (?) in the following number series:

2, 15, 41, 80, 132, ?

EASY

What will come in the place of question mark in the given number series:

142, 70, 34, 16, ?, 2.5.

HARD
If the sum of the first ten terms of the series 1352+2252+3152+42+4452+., is 165m , then m is equal to 
MEDIUM

What should come in place of the question mark for the following question:

256, ?, 190, 167, 148, 131

EASY

What should come in place of the question mark in the following question:

36, 18, 6, 3, 1, ?

EASY

What will come in place of the question mark (?) in the following number series?

?, 15, 75, 525, 4725, 51975

MEDIUM

The following series is based on the English alphabets and numbers, which of the following will come in place of the question mark in the given series?

XW2    TS6    PO10    LK14    ?

MEDIUM

What will come in the place of question mark for the following number series:

21, 37, 40.2, 88.2, 94.6, ?.

EASY
What will come in the place of question mark in the given number series:
17, 9, 10, 16.5, 35, ?.
MEDIUM
The sum of the first 20 terms of the series 1+32+74+158+3116+ is
EASY

Find the missing (?) in the series- 14, 28, 42, 56, ?, 84, 98 

1. 68
2. 70
3. 72
4. 74

MEDIUM

A sequence is given in which one term (or more terms) is missing. From the given options, choose the correct one that can complete the sequence.

1, 6, 15, ?, 45, 66, 91

EASY

What should come in place of the question mark in the following question:

18, 29, 42, 53, ?, 77

HARD

What should come in place of the question mark in the following question:

18, 8, 6, 9, 32, ?