625/25*25/25+15*40 =
- 1/25
- 625
- 1/625
- 25
0 voters
Please provide your approach...
1. In how many ways can 5 rings be worn on the four particular fingers of the right hand?
(A) 4^5
(B) 5^4
(C) 8C3
(D) 8P3
(E) 4!*5!
2. In how many ways can 5 different rings be worn on the four particular fingers of the right hand?
(A) 4^5*5C4
(B) 5^4*5C4
(C) 8C3
(D) 8P3
(E) 4!*5!
3. In how many ways can 5 different rings be worn on the any four fingers of the right hand?
(A) 4^5*5C4
(B) 5^4*5C4
(C) 8C3*5C4
(D) 8P3*5C4
(E) 4!*5!*5C4
In a tournament each of the participants was to play one match against each of the other participants. 3 players fell ill after each of them had played three matches and had to leave the tournament. What was the total no. of participants at the beginning , if the total no of matches played was 75?
a)8
b)10
c)12
d)15
need approach plz
the lcm of the numbers 485,776 and 291 is how many times their hcf??
the lcm of the numbers 485,776 and 291 is how many times their hcf???
How many numbers can be formed between 200 and 1200 with the digits 0,1,2,3 if repetition of digits is allowed?
A person covers half his journey by train at 60kmph,the remainder half by bus at 30kmph and the rest by cycle at 10 kmph. find the average speed during entire journey .
The sides of a rectangle are all produced in a clockwise order, in such a way that the length of each side is increased to 'k' times the original length. The area of the new quadrilateral formed is 300% more than the area of the original quadrilateral. Find the value of k.
a 2 b 3^1/2 c (1+7^1/2)/2 d none
bhai please explain
a cylinder of height 600 cm , and radius = 12/pie cm, a string of what length required to wound on its cylindrical surface, starting from a bottom point A to a point just opposite to it that B (at the top side),
if there is no vertical spacing between consecutive turns ?
given = width of string is = 0.5 cm.
Saw this in some other thread. Thought, may be we can also have a look on it..
each side of a given polygon is parallel to either X axis or Y axis.A corner of such polygon is said to be convex if the interior angle is 90 degrees or concave if the interior angle is 270 degrees. if the number of convex corners is 25, find the number of concave corners?
diameter of balloon is 28 cm, it explodes when diameter becomes 5/2 times of initial dia.
air is blowing at 156 cm cubis per second. in how many seconds balloon will explode?
Two cars P and Q start from two points A and B towards each other simultaneously. They meet for the first time 40 km from B. After meeting they exchange their speeds as well as directions and proceed to their respective starting points. On reaching their starting points they turn back with the same speeds and meet at a point 20 km from A. Find the distance between A and B.
(5^73)/101
Find the remainder?
In a game of dice, one can score as many pts as he gets in every throw till he gets a score which is a multiple of pts scored in the previous throw. If given that a person scores 5 pts in total before stopping as per the rules, then what is the probability that the dice was thrown 3 times?(the total score doesn't include the score of the last throw)
a)5/6
b)2/3
c)3/4
d)11/12
In a building with 8 floors(excluding the ground floor), Mr. X along with 4 people enters into a lift on the ground floor. Given that each person gets off the lift on a different floor, what is the probability that Mr.X gets off the lift before exactly 3 people?
a)1/5
b)2/45
c)32/35
d)3/7
There is a rectangular plot of length 2X m and breadth 2Y m. Somewhere in the plot a rectangular ditch is made of dimensions X m × Y m. The ditch is dug up to a depth of 10 m and the earth is spread out over the rest of the plot. What is the final depth of the ditch?
The number of positive integers n in the range 2