Select the correct answer from the options given below that is equal to:

√(81×36)

Find the value in the following equation: 3x/4y=?/xy

One number is 4/5th of the another number. The sum of the reciprocals of the two numbers is 45. Find the two numbers. One number is 4/5thof the another number. The sum of the reciprocals of the two numbers is 45. Find the two numbers.

What is the result after solving the following expression: 4 × 63 + 24 / 8 - 4 × 29 + 65 / 10

Find the square of (3x + 4y + 2z).

Which equation on expanding will result in the given equation: 15ax + 9a + 6ay + 10x + 6 + 4y + 5bx + 3b + 2by

What is the coefficient of x in the equation: (x + 3)(2x + 1)

What will be the value of: (343)1/4(343)-1/12

Check if the following inequality holds or not? a > 7b for a = 343 and b = 6.8 × 7.2

There are two consecutive numbers. Sum of 1/4th of first number and 3/2 of second number is equal to 19. Find the two numbers.

What is the solution to the following expression: (an + bm)(an-bm)