(12)² - (4.4)² - (0.04)² = ?<br><br>

What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ?<br><br>

The simplest form of 1.5 : 2.5 is :<br><br>

If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number.<br><br>

Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively?<br><br>

In how many different ways can the letters of the word ANATOMY be arranged ?<br><br>

If the letters of the word PREVIOUS be arranged at random, what is the probability that all the vowels come together ?<br><br>

The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ?<br><br>

What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345?<br><br>

The difference between a two-digit number and the number obtained after interchanging its two digits is 36. The sum of the two digits of the number is 12. Find the lowest such possible number.<br><br>