| 44615 | 20,180,9120,40880,501370 which number is wrong in series | Medium | |
| 44705 | Look at this series: 21, 9, 21, 11, 21, 13, 21, | Medium | |
| 44766 | Look at this series: 83, 73, 93, 63, __, 93, 43, | Medium | |
| 45137 | The sum of n terms of a series in A.P is 6n2… | Medium | |
| 45219 | In a series of consecutive odd numbers, 27 is the sixth smallest… | Medium | |
| 45260 | There is a vertical stack of books marked 1, 2, and 3… | Medium | |
| 45506 | Find the 21th term of an arithmetic progression whose first term is… | Medium | |
| 45547 | 8 and 2 are the first two terms in a geometric sequence | Medium | |
| 45552 | a,b,c are positive numbers such that they are in increasing Geometric progression… | Medium | |
| 45764 | What is the 56743 rd term in the series 1234567891011121314 | Medium | |
| 45823 | The sum R of the arithmetic sequence a, a+d, a+2d,..., a+(n-1)d is… | Medium | |
| 45992 | A series of number is given: 5, 6, 12, 5, 7, 13… | Medium | |
| 46816 | A certain series is defined by the following recursive rule: Sm=K(Sm-1) … | Medium | |
| 46997 | Look at this series: F2, __, D8, C16, B32, | Medium | |
| 47463 | What will come in place of the x in the following Number… | Medium | |
| 47551 | Look at this series: 8, 43, 11, 41, __, 39, 17, | Medium | |
| 47578 | Can you find the missing number in the series below | Medium | |
| 47821 | Look at this series: 5000,1000, 200, | Medium | |
| 48085 | Look at this series: VI, 10, V, 11, __, 12, III, | Medium | |
| 48163 | Victor's job requires him to complete a series of identical jobs | Medium | |
| 48185 | What is next in series J F M A M | Medium | |
| 48290 | Find the 10th term of the arithmetic progression 1, 3.5, 6, 8.5 | Medium | |
| 48705 | If m times the mth series of an A.P | Medium | |
| 48920 | select the no | Medium | |
| 49479 | If the terms of a series are either2or24and the sum of all… | Medium | |
| 50127 | 1,5,6 ,25, 26,30,31, 125,126,130,131,150,151,155,156,……… What is the value of 33rd term in… | Medium | |
| 50846 | Missing number in the series 4 9 20 43 90 185 376… | Medium | |
| 51157 | For every positive integer n, the nth term of a sequence is… | Medium | |
| 51694 | What is the sum of this series | Medium | |
| 52109 | Find the term next in series | Medium | |
| 52216 | Complete the series 13, 9, 5, 1, -3,-7 , -11 | Medium | |
| 52528 | If the terms of a series are either2or24and the sum of all… | Medium | |
| 52630 | Look at this series: 7, 10, 8, 11, 9, 12, 10, 13… | Medium | |
| 52857 | The first term of an arithmetic progression is 3 and the 10… | Medium | |
| 53054 | What will come in place of the x in the following Number… | Medium | |
| 53543 | a series of natural number 1+2+3+4+5+6+7+8+9+10 is divisibel by 11 so we… | Medium | |
| 54540 | What comes next in the series | Medium | |
| 54868 | We are given the positive numbers a,b,c, which form an arithmetic progresion… | Medium | |
| 55258 | Look at this series: 7, 10, 8, 11, 9, 12, 10, 13… | Medium | |
| 55435 | An arithmetic Sequence is a number sequence which has a constant difference… | Medium | |
| 55493 | In each series, look for the degree and direction of change between… | Medium | |
| 57073 | In a certain series, each term is m greater than the previous… | Medium | |
| 57423 | find next in series 31,29,31,30,31 | Medium | |
| 57590 | Which number comes next in the series 5 12 24 36 | Medium | |
| 57665 | What should be next in the given series | Medium | |
| 57780 | Let's find out how sharp your mind is | Medium | |
| 58604 | Find the sum to 200 terms of the series 1 + 4… | Medium | |
| 58672 | In the series 0, 3, 8, 15,__ What is the next number | Medium | |
| 60854 | The 201st term of the series a, b , b, c, c… | Medium | |
| 60991 | Find the missing couple of letters in the following series: AZ, GT… | Medium | |