## Quant Question Of The Day: 148

**Numbers**

**For how many positive integers n each of the numbers n + 1, n + 3, n + 7, n + 9, n + 13 and n + 15 is prime?**

Categories:
Quant question of the day, Question of the day

**For how many positive integers n each of the numbers n + 1, n + 3, n + 7, n + 9, n + 13 and n + 15 is prime?**

**All the given numbers when divided by 5 gives all possible remainders with 5 i.e. there will be always one number which is multiple of 5. So n has to be less than 5. After checking the first four positive integers, it is easy to find that only n = 4 satisfy.**

New Question: Unit Digits and Last Two Digits

In a test match in cricket, the scores of Rohit and Vir...

By nhuadovan , 1 year ago

New Question: Unit Digits and Last Two Digits

The 111th digit of the series 149162536496481........ i...

By nhuadovan , 1 year ago

New Question: Unit Digits and Last Two Digits

how many perfect squares of natural numbers between 300...

By nhuadovan , 1 year ago

New Question: Permutation and combination

Find the number of ways to distribute 2n different ball...

By nhuadovan , 1 year ago

- LouisHayes on Quant Question Of The Day: 275
- pankaj saket on GK Question of the day: 22
- sajal on Puzzle of The Day
- sajal on Puzzle of The Day
- Lalit Bansal on Quant Question Of The Day: 275
- Rajendra Kumar on Countdown to CAT 2020|DAY 87|LRDI
- Shruti Tiwari on GK Question of the day: 21
- Deepika on GK Question of the day: 21
- Deepika on Quant Question Of The Day: 275
- Anubhav Swaroop on Quant Question Of The Day: 269

© 2007-2020 by TathaGat.

## 0 comments