ExamCompetition Forum Question Papers Ask A Question Mock Test Learn & Earn Sign Up Login Menu



0 vote

What should come in place of '?' in the following number series? 6, 7, 16, 51, ?, 1045

Asked on by | Votes 0 | Views: 283 | Tags: number series     | numerical ability     | Add Bounty

What should come in place of '?' in the following number series?

6, 7, 16, 51, ?, 1045


1). 204
2). 208
3). 206
4). 202


Share on Facebook      Share on Whatsapp       Share on Twitter




1 answers

2 vote
Answered by on | Votes 2 |

The series follows the following pattern:

6 × 1 + 1 = 7

7 × 2 + 2 = 16

16 × 3 + 3 = 51

51 × 4 + 4 = 208 = ?

208 × 5 + 5 = 1045

∴ The missing term is 208. $

Join Telegram Group




Answer This Question

Name:
Email:
Answer :
Sum of (1+5)
Submit:

Other Questions

1. What should come in place of question mark (?) in the following question? 361 × 350 ÷ 70 = 25 × ?

2. What should come in place of question mark (?) in the following questions? 1 - {1 + (a2 - 1)-1}-1 = ?

3. An isosceles trapezium has its area 247.5 cm2. The height of the trapezium is 5/11th of the sum of its parallel sides. If the ratio of length of parallel sides is 3 : 8. Calculate the length of diagonal?

4. What should come in place of question mark ‘?’ in the following question? \(\left( {\frac{1}{{15}} + 1 - \frac{9}{{10}}} \right) \div \left( {\frac{4}{5}\;of\;\frac{3}{2}} \right) = ?\)

5. Directions: What should come in place of the question mark (?) in the following number series. 5, 8, 21, 75, ?

6. Rakesh, Ramesh and Suresh went to a market to purchase watches whose costs were same. But each watch was available with two successive discounts. Rakesh availed two successive discounts of 20% and 5%. Ramesh availed two successive discounts of 15% and 10% while Suresh availed two successive discounts of 12% and 13%. Who gets the maximum possible discount?

7. What will come in place of '?' in the following question? (220 ÷ 2?) ÷ 214 = √256

8. What will come in place of the question mark (?) in the following question? \(\frac{70}{{4}} + \frac{90}{{4}} + \frac{110}{{4}} + \frac{60}{{4}} + \frac{70}{{4}} =\: ?\)

9. Directions: Below table shows the total budget allocated for six sectors in two successive years and distribution of budget to Rural and Urban areas out of total budget. Some data is missing in the table, student is expected to calculate that data as per the values given in the questions.

10. The average age of a husband and wife was 23 years when they were married 5 years ago. The average age of the husband, the wife and a child who was born during the interval, is 20 years now. How old is the child now?