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



0 vote

What should come in place of question mark ‘?’ in the following number series? 4, 19, 75, 224, 447, ?

Asked on by | Votes 0 | Views: 17 | Tags: number series     | numerical ability     | Add Bounty

What should come in place of question mark ‘?’ in the following number series?

4, 19, 75, 224, 447, ?


1). 446
2). 456
3). 415
4). 425


Share on Facebook      Share on Whatsapp       Share on Twitter




1 answers

0 vote
Answered by on | Votes 0 |

4,

4 × 5 - 1= 19

19 × 4 - 1 = 75

75 × 3 - 1 = 224

224 × 2 - 1 = 447

447 × 1 - 1 = 446  

Join Telegram Group




Answer This Question

Name:
Email:
Answer :
Sum of (5+4)
Submit:

Other Questions

1. A alone can complete a work in 15 days and B alone in 10 days. Starting with A, they work on alternate days. The total work will be completed in:

2. What should come in place of the question mark (?) in the following question? \({19^{39.5}} \times \;{19^{73.9\;}} \div \;{19^{37.4}}\; = {19^?}\)

3. At 20% discount the selling price of a refrigerator is Rs 24,000, what is the selling price if the discount is 30%?

4. Two trains travel from A to B and B to A in 6 and 10 hours respectively. They start simultaneously at 10 a.m.. If the first train meets with an accident and thereafter reduces its speed to half of the original speed, it meets with the second train at 2 p.m.. At what time did the accident occur?

5. The marked price of an item is Rs. 40 more than the selling price. The cost price of this item is 5/8th of marked price. If the profit percentage is 50%, then find the discount percentage. (in %)

6. What will come in place of ? in the following equation? \(\frac{{5\; + \;?\; \times {\rm{\;}}19\;-\;15\; - \;7}}{{13\; \times {\rm{\;}}13{\rm{\;}} - {\rm{\;}}156}} = 6\)

7. What approximate value should come in place of question mark (?) in the following question? 725.34 + 887.12 – (2 × ?) = 999.88

8. Directions: What should come in place of the question mark (?) in the following number series. 4, 125, 269, 438, ?

9. Find the wrong term in the following number series? 13, 16, 21, 27, 39, 52, 69

10. Amit lent Rs. 4000 to Raj for a period of 4 years. He lent a part of the sum at 3% simple interest and the rest at 5%. If he received a total of Rs. 640 as interest at the end of 4 years, what was the part of money lent at 5%?