4,44,444,4444. Something like this.
Answers were Sorted based on User's Feedback
Answer / chirag
20. The set X consists of the following terms : {4,44,444,4444,.....), where the nth term has n 4's in it for example 10th term is 4444444444. what is the hundreds digit of the sum of the first 45 terms of set S?
A. 5
B. 3
C. 1
D. 6
E. 9
Reason 45*4=180, thus the units digit will be 0 and 18 will be carried over to the tens digit;
44*4+18=194, thus the tens digit will be 4 and 19 will be carried over to the hundreds digit;
43*4+19=191, thus the hundreds digit is 1.
Is This Answer Correct ? | 5 Yes | 0 No |
Answer / akash
4+44+444+4444+...there are 9 term in series what is the term in its tens place
Is This Answer Correct ? | 0 Yes | 0 No |
what is meaning of robust (hewiitt)
A is twice efficient than B. A and B can both work together to complete a work in 7 days. Then find in how many days A alone can complete the work?
who is frist chief commissioner of income tax in india
A sphere of 10.5 cm radius is melted. It is then casted into a cuboid of maximum volume. What will be the total surface area of such cuboid?
The sum of four natural numbers a1, a2, a3 and a4 is 210. What is the minimum possible LCM of these 4 mentioned natural numbers?
4 pipes inlet and 2 pipes outlets, find water inlet etc.
Find the distance when they meet from starting point.
What is the difference between control module
There are 9 balls of these one is defective. Find the minimum no. of chances of finding the defective one.
Imagine 4 persons A,B,C,D.(It is a strength determining game). A found it hard,but could pull 'c' and 'd' to his side. AC and BD pairs on opposite sides found themselves equally balanced. When A and B exchanged their positions to form pairs AD and BC ,BC pair could win and pull AD to their side.Order the 4 persons in Ascending order according to their strengths.
Two trains are traveling in 60 kmph on same trace, towards each other. When the distance between them is 18 km, a fly is going to start, flying between them in 80 kmph speed. Find the traveling path distance of the fly upto when it is going to crush by the 2 trains?
There are 80 coins, among them one coin weighs less compared to other. You are given a physical balance to weigh. In how many wieghings the odd coin can be found.