Please explain this to me
If n is a natural number in base 10 and it is multiplied by 4 , and after multiplying all its digits are reversed , what is n?
16
A number when successively divided by 5,7, 9 leaves remainder 1,1, and 8 respectively. How many such numbers exist below 1000?
Can someone please explain the approach
ABCD is an isosceles trapezium with BC = AD = 10 units, AB = 2 units and CD = 14 units. The midpoints of the sides of the trapezium are joined to form a quadrilateral PQRS. Find the ratio of the area of the circle inscribed in the quadrilateral PQRS to the area of trapezium ABCD
How to solve this question..
X and Y move from point A to point B. X starts moving 8 minutes after Y but reaches point B at the same time as Y. If both ofthem start from opposite directions at the same time, then they meet after 3 mins. In how much time can X cover the entiredistance?
Three persons - A, B and C - are playing the game of death. 3 bullets are placed randomly in a revolver having 6 chambers. Each one has to shoot himself by pulling the trigger once after which the revolver passes to the next person. This process continues till two of them are dead and the survivor of the game becomes the winner. What is the probability that B is the winner if A starts the game and A, B and C take turns in that order.
7th question? AIMCAT 2011
Kindly explain the approach
If the difference between the number of arrangements of 3 items out of a certain number of dissimilar items and the number of selections of three items from the same number of dissimilar items exceeds 100 what is the least value of the number of dissimilar items?
- 5
- 6
- 7
- 9
0 voters
Kindly explain
Please help me with question no 34 and 35. TIA
'A' has 200 notes of 3 dimensions Re.1 ,Rs 50 and Rs 100. He has to pay the bill of RS 156. In how many ways can he pay the bill ? Any shortcut for these types ?
Help me in the following questions
This one
N this too. Give me the approach for both questions
Jason mixes water in juice and sells at Rs. 80 per liter. Had he mixed only half the water that he does now, he would need to sell the juice at Rs. 100 per liter to earn same profit. What is the amount of water that is added in a liter of juice?
Hey I am looking for a place in Pune or Mumbai for 2 months where roommates are seriously preparing for CAT 2017, PM me if anybody can help.
pqrs is a square . arc pr and qs are drawn on the square pqrs with centre at s & r respectively.find the ratio of area common to both arcs to the area of square pqrs.
Please help me find the solution for it?