41). I bought a car with a peculiar 5 digit numbered licence plate which on reversing could still be read.
On reversing value is increased by 78633.Whats the original number if all digits were different?

42). There are 6 volumes of books on a rack kept in order ( ie vol.1, vol. 2 and so on ).
Give the position after the following changes were noticed.

 All books have been changed
 Vol.5 was directly to the right of Vol.2
 Vol.4 has Vol.6 to its left and both weren’t at Vol.3’s place
 Vol.1 has Vol.3 on right and Vol.5 on left
 An even numbered volume is at Vol.5’s place
 Find the order in which the books are kept now.

43). A soldier looses his way in a thick jungle. At random he walks from his camp but mathematically in an interesting fashion. First he walks one mile East then half mile to North. Then 1/4 mile to West, then 1/8 mile to South and so on making a loop.
Finally how far he is from his camp and in which direction.

44). How can 1000000000 be written as a product of two factors neither of them containing zeros.

45). Conversation between two mathematicians
First : I have three childern. The product of their ages is 36.
If you sum their ages, it is exactly same as my neighbour’s door number on my left.
The second mathematician verfies the door number and says that it is not sufficient.
Then the first says ” Ok one more clue is that my youngest is really the youngest”. Immmediately the second mathematician answers .
Can you answer the question asked by the first mathematician?
What are the childeren ages?

46). 500 men are arranged in an array of 10 rows and 50 columns according to their heights.
Tallest among each row of all are asked to fall out.
And the shortest among them is A.
Similarly after resuming that to their original podsitions that the shortest among each column are asked to fall out.
And the tallest among them is B .
Now who is taller among A and B ?

47). A person with some money spends1/3 for cloths, 1/5 of the remaining for food and 1/4 of the remaining for travel.
He is left with Rs 100/- . How much did he have with him in the begining ?

48). Shahrukh speaks truth only in the morning and lies in the afternoon, whereas Salman speaks truth only in the afternoon. A says that B is Shahrukh. Is it morning or afternoon and who is A - Shahrukh or Salman.

49). Grass in lawn grows equally thick and in a uniform rate.
It takes 24 days for 70 cows and 60 days for 30 cows to eat the whole of the grass.
How many cows are needed to eat the grass in 96 days?

50). An orange glass has orange juice and white glass has apple juice both of equal volumes.
50ml of the orange juice is taken and poured into the apple juice.
50ml from the white glass is poured into the orange glass.
Of the two quantities, the amount of apple juice in the orange glass and the amount of orange juice in the white glass, which one is greater and by how much?