All the pages of a book starting from page 1 are summed. One of the pages has been added twice, and the total thus obtained is 1000. Which is the page that has been added twice ?
Correct Answer : A
In a certain system product of 44x11 is represented as 2124 find how 1453 can be represented in decimal system?
In a four digit number, the sum of digits in the first and fourth place is twice the sum of the digits in the third and fourth place. The difference in the first and third digit is equal to the second digit. What is the digit in the third place?
In a fibonacci series, difference between squares of 6th and 7th terms was 517. What is the 8th term?