CHAPTER-1 INTEGERS (SET-3)

Questions in this test

1. The rational number which can be expressed as a terminating decimal is
2. A rational number whose reciprocal does not exist is
3. The rational number $\frac{-18}{5}$ lies between the consecutive integers.
4. What is the least natural number which leaves no remainder that divided by all the digits from 1 to 9?
5. $\left(4^{61}+4^{62}+4^{63}+4^{64}\right)$ is divisible by
6. The smallest number to be added to 1000 so that 45 divides the sum exactly is
7. Which of the following numbers is divisible by 15?
8. For what value of n and $2^n-1$ and $2^n+1$ prime?
9. If a, a+2, a+4 are prime numbers, then the number of possible solution for a is
10. What is the unit digit of the product of all prime numbers between 1 and 100?