Aptitude-Numbers

(16) Find the 17th prime number in ascending order starting from 100.

• (a) 181
• (b) 179
• (c) 191
• (d) 193

Answer

Correct Answer: (a) 181
181 is the 17th prime number when listing primes starting from 100.

(17) What is the sum of the digits of the smallest 4-digit number?

• (a) 10
• (b) 1
• (c) 11
• (d) 0

Answer

Correct Answer: (b) 1
The smallest 4-digit number is 1000, and the sum of its digits is 1 + 0 + 0 + 0 = 1.