A number when divided by 91 gives a remainder 17. When the same number is divided by 13. The remainder will be -

To write all the page numbers of a book, exactly 136 times digit 1 has been used. Find the number of pages in the book.

The last digit of the number obtained by multiplying the numbers 81 × 82 × 83 × 84 × 86 × …

Three-fifth of a number is equal to 70% of another number. What is the ratio between the first number and second number …

Each member of a club contributes as much rupees and as much paise as the number of members of the club. If the total c…

$$\left( {999\frac{{999}}{{1000}} \times 7} \right)$$   is equal to -

The product of two positive integers is 2048 and one of them is twice the other. Then the small of the number is :

Which of the following is a perfect square ?