If + denotes -: x denotes + ; - ' denotes V and '+' denotes '+', then — 28 x 12 + 4 + 6 - 4 = ?
Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group ?
How many meaningful English words can be formed with the letters MRTA using each letter only once in each word ?
The positions of the first and the fifth digits in the number 53216894 are interchanged. Similarly the positions of the second and the sixth digits are interchanged and so on. Which of the following will be the second from the right end after the rearrangement?
The positions of how many digits in the number 53147926 will remain unchanged after the digits within the number are rearranged in descending order ?