Find the value of the following expressions respectively:

- 7 × 57, - 392 × - 3

Which is the compact form of the equation: a2b3c4d1d4b3c2ac6b3a2d

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

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.

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

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

Find the correct set of answers for the following expressions: I) a + ( b × 4 ) II) a× ( b + 3 ) III) ( a× b)+ 3 given that a = 14 and b = 23.

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

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

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

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.