Free Test Magic Number Tricks – Vedic Math

Q1: What is the magic number used to test divisibility by 9?

A. 7 B. 9 C. 11 D. 13

Q2: What is the digit sum of 123456?

A. 21 B. 18 C. 15 D. 27

Q3: Find the digit sum of 9999

A. 27 B. 36 C. 18 D. 9

Q4: Magic number for divisibility check of 11?

A. 9 B. 7 C. 11 D. 3

Q5: Magic number trick is mostly used to?

A. Check remainders B. Speed addition C. Speed subtraction D. Test prime numbers

Q6: If the digit sum is divisible by 9, the number is?

A. Not divisible by 9 B. Divisible by 9 C. Even number D. Prime

Q7: Digit sum of 456 is?

A. 10 B. 13 C. 15 D. 12

Q8: Magic number used in digital root technique?

A. 3 B. 5 C. 9 D. 7

Q9: What is the digital root of 987?

A. 6 B. 7 C. 8 D. 9

Q10: What is the magic number for mod 9?

A. 9 B. 0 C. 5 D. 3

Q11: Which of these is NOT a magic number?

A. 1 B. 3 C. 9 D. 11

Q12: What is 123 mod 9?

A. 6 B. 9 C. 3 D. 0

Q13: What is digital root of 99?

A. 9 B. 18 C. 8 D. 1

Q14: Magic numbers help in?

A. Estimating B. Checking errors C. Prime checking D. Measuring area

Q15: The digital root of 786 is?

A. 3 B. 6 C. 9 D. 8

Q16: What is the digit sum of 888?

A. 18 B. 24 C. 21 D. 27

Q17: What is the digital root of 45?

A. 9 B. 4 C. 0 D. 5

Q18: A number is divisible by 3 if?

A. It ends in 0 B. Sum of digits divisible by 3 C. Even number D. Starts with 3

Q19: Which number gives same remainder as 1234 mod 9?

A. 1+2+3+4 B. 10 C. 0 D. 9

Q20: Digital root technique is used for?

A. Squaring B. Multiplying C. Checking answers D. Factorization

Quiz for Magic Number Tricks