Interested to Buy Any Domain ? << Click Here >> for more details...
A four digit number is to be formed using the digits 1 to 7
All digits of the number are different and repetition is not
allowed.
1. How many such numbers can be formed ?
2. How many such numbers are divisible by 4 ?
- 11 Answers
- 39428 Views
- Infosys, MMI, Naval Academy, SMN, TCS, I also Faced
- E-Mail Answers
Answer Posted / guest
5040
1260
| Is This Answer Correct ? | 13 Yes | 29 No |
Post New Answer View All Answers
What is the distance travelled by a ball that falls from a height of 8 mts and each time it bounces half the distance back?
What is the smallest number by which 2880 must be divided in order to make it into a perfect square ?
Two circles , one circle is inscribed and another circle is N outscribed over a square. What is the ratio of area of inner to outer circle.
Two cars are 15 kms apart. One is turning at a speed of 50kmph and the other at 40kmph . How much time will it take for the two cars to meet?
sum of 5 consecutive numbers is 35. how many of the numbers are prime:
if for h hours of work the salary is s and the employee gets x hours of medical leave, then what is the salary/hr ?
12 men can build wall of length of 12m in 10 days how many men are required to build 20 m in 15 days.
A man runs towards the east direction and then takes his right. Then he takes a left and again 50 degrees to his right. What is the direction in which he is moving now?
There are A,B techers and C,D doctors.Find the possible no of combinations that should not be repeated more than once?
In a class total 34 students, 16 are have a brother, 15 are have sisters, 9 students don't have either brothers or sisters.Find the number of students having both brother and sisters.
The ratio of the length : breadth : height of a cuboid is 5 : 4: 3, and the volume is 7500. What will be its surface area ?
How Can A Cake(circular) Be Cut Into 8 Pieces By Making Just 3 Cuts?
There are 40 seats in a bus. People agree to share the money for the number of seats. The total money comes to 70.37. How many seats were free?
In a certain college, 20% of the boys and 40% of the girls attended the annual college outing. If 35% of all the students are boys, what percent of all the employees went to the outing?
A mall installed 36 cctvs at the beginning of the year. In March they installed 9 additional cctvs and then disconnected 18 in August. How many were still installed at the end of the year.
