A three digit number is such that the ratio of tenths digit and units digit is 2:1 and the ratio
of the hundreds digit and the units digit is 3:2. What is the sum of all such three-digit numbers...?
-@A
if a1,a2,a3.....an are in AP where a1>0, then value of
1/(rt.a1+rt.a2)+1/(rt.a2+rt.a3)+1/(rt.a3+rt.a4)+...........n terms ?
rt.a1 means a1^1/2
A sum of money invested for a certain number of years at 8% p.a. simple interest grows to
180. The same sum of money invested for the same number of years at 4% p.a. simple interest
grows to 120 only. For how many years was the sum invested...?
-@A
A number when increased by 30% becomes 80 more than what it would be when it is
decreased by 30%. Find the number...
-@A
If k=[3/3]x[4/3]x[5/3]...x[100/3], where [a] is the greatest integer d" a , then the number of zeroes at the end of k is
- 33
- 32
- 21
- 18
0 voters
Remainder when 4321043210... upto 3000 digits is divided by 9999?
A group of 4 married couples want to play mixed tennis, but each married individual does not want to be on the same team as his/her spouse. How many possible games can be played between two teams...?
-@A
.find the highest power of 3 in N=1!*2!*3!*......*99!
.a. 2260 b. 2280 c. 2240 d.2220 e.None of these.
when a rectangle is chosen at random from a 8*8 chessboard, what is the probability that it is of the size 5*5??
a. 2/81
b. 3/81
c. 4/81
d. 1/81
ram,s present age is three times his son's present age and two-fifth of his father's present age.The average of the present ages of all of them is 46years. What is the difference between the ram's son's present age and ram's father's present age?
Plz explain solution
Q3
Login to post comments and get access to the world of Quantexpert. Use the form on the right.
How many 6-digit palindrome numbers are there?
a. 810 b. 900 c. 729 d. 10500
Pls share the approach.
Please explain the approach to solve this problem.
Correct answer is option C
How many numbers less than 100 can be expressed as a difference of two perfect squares in only ONE way?
1)252)26
3)34
4)35
plz help guys..
Hi, can u please suggest me what courses should one apply to while filling the cat form.
2^1+2^2+2^3+2^4+..........+2^100 when divided by 17 what will b the remainder?
- 13
- 11
- 9
- 8
0 voters
anyone here with pdf files of totalgadha of quant chapters .
if yes please mail me on
: lihas.niaj91@gmail.com
Nine cities – A through I – one connected with two way roads, which are between A & B; A & D; B & C; B & E; C & F; D & E; D & G; E & H; E & F; F & I; G & H and H & I. each road is 10 km in length. In how many ways can a man reach D, starting from A such that the person does not visit the same city twice?
a) 5 b) 9 c) 7 d) None of these
In a certain colony of cancerous cells, each cell breaks into two new cells ever hour. if there is single productive cell at the start and this process continues for 9 hours, how many cells will the colony have at the end of 9 hours? it is known that the life of an individual cell is 20 hours .(a) 2^(9)(b) 2^(9)-1(c) 2^(10)(d) 2^(10)-1
In a certain colony of cancerous cells, each cell breaks into two new cells ever hour. if there is single productive cell at the start and this process continues for 9 hours, how many cells will the colony have at the end of 9 hours? it is known that the life of an individual cell is 20 hours .
(a) 2^(9)
(b) 2^(9)-1
(c) 2^(10)
(d) 2^(10)-1