List of top Arithmetic and Mental Ability Questions on Number System

The smallest prime number is
Choose the prime number from 175, 161, 129, 101
Which of the following statement is incorrect ?
Which of the following statement is incorrect ?
If the number \( 517*324 \) is completely divisible by 3, then the smallest whole number in the place of \(*\) will be ?
Which among the following is the largest fraction ?
If you divide the number 1003 by 5, then the remainder is equal to:
The product of three consecutive positive integers is 120. Then the sum of the three positive numbers is:
What comes next in the following series? A, G, L, P, S, ?
Select the missing number from the given responses: 121, 144, 289, 324, 529, 576, ?
If 841=3, 633=5 and 425=7 then 217=?
Read the given pattern carefully and tell which number will come in place of question mark (?):
The greatest number among the fractions \( \frac{1}{5}, \frac{1}{4}, \frac{1}{11}, \frac{1}{13} \) is:
Which one of the following number can divide 454545 completely ?
The prime factors of 210 are
The sum of the first n numbers, is 1275. The value of n is equal to
The least common multiple of the numbers 20, 15 and 45 is
Arrange the numbers in the descending order : 3/11, 7/13, 9/19, 6/17
When \( 4^{157} \) is multiplied with \( 7^{113} \), what is the digit in the least significant place?
A three-digit number is selected such that it contains no zeros. Now this three-digit number is written beside itself to form the six-digit number. Its factor is _______.
The smallest positive number which is divisible by the numbers 2, 3, 4, 5, 6, 7 is
The smallest number among the fractions 14/15, 13/15, 11/15, 9/15 is
The product of three consecutive positive integers is 2184. Then the sum of the three positive numbers is
A gardener wants to arrange 1296 plants in rows and columns. If the number of rows and columns of the arrangement is equal, then the number of rows in the arrangement of plants is
Which of the following numbers is not divisible by 9?