VEDIC MATH | Calculate Square Of Any 3 Digit Number in 10 Seconds

If it is possible to make a number which is the square of a two-digit odd number using the second, the fourth and the sixth digits of the number 93217648 and using each only once, which of the following is that two-digit odd number ? 1) 17 2) 19 3) 15 4) 21 5) 13

If it is possible to form a number which is perfect square of a two digit add number using the second, the fourth and the seventh digits of the number 739142658 using each only once, which of following is the second digit of that two digit odd number?

A student calculated the average of 10, three digit number. But due to mistake he reversed the digits of a number and thus his average increased by 19.8. Find the difference between the unit digit and hundreds digit of that of that number

Without calculating square roots, find the number of digits in the square root of the following numbers 36864

Without calculating square roots, find the number of digits in the square root of the following numbers 100000000

Without calculating square roots, find the number of digits in the square root of the following numbers 25600

If it is possible to form a number with the second, the fifth and the eighth digits of the number 3 1 5 4 9 7 8 6, which is the perfect square of a two-digit even number, which one of the following will be the second digit of that even number?

If it is possible to form a three digit number which is the perfect square of a two digit number with the third, the fifth and the eight digit of the number 532784691, which of the following will be the second digit of that two digit odd number ? If more than one such number can be formed, give @ as the answer and if no such number can be formed, give © as the answer.

Find the largest number of 2 digits which is a perfect square. Find the largest number of 3 digits which is a perfect square.