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Q1. Is 54748 an Armstrong number? (5^5 + 4^5 + 7^5 + 4^5 + 8^5)
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Q2. What is the 10th triangular number?
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Q3. If a number is equal to the sum of the cubes of its digits, it is called a:
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Q4. The sum of the first 'n' natural numbers is given by the formula n(n+1)/2. What is the smallest 'n' for which this sum is a perfect square?
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Q5. What is the numerical value of the origin in a Cartesian coordinate system?
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Q6. If a number is divisible by 18, it is also divisible by:
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Q7. The square root of a number with 12 digits can have how many digits?
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Q8. Which of the following is NOT a composite number?
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Q9. What is the number of digits in 100?
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Q10. Find the sum of the cubes of the first n natural numbers.
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Q11. The sum of the digits of a two-digit number is 9. If the digits are reversed, the new number is 63 greater than the original number. What is the original number?
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Q12. The product of two irrational numbers is:
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Q13. If the sum of n terms of a GP is 2^n - 1, what is the 5th term?
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Q14. What is the count of prime factors in the prime factorization of 252?
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Q15. The sum of three consecutive natural numbers is 69. The numbers are:
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Q16. How many trailing zeros are there in $100! / 50! \times 20!$?
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Q17. What is the number of digits in the square root of 81?
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Q18. Determine the number of 6-digit numbers that can be formed using the digits {1, 2, 3, 4, 5, 6, 7, 8, 9} such that the number is divisible by 5 and no digit is repeated.
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Q19. The number 345678 is divisible by:
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Q20. Which of the following is a rational number?
