Which Guru of the Sikh religion was executed by

Find the simplified value of the given expression:

7 of 9 ÷ 3 × 5² + √81 – 14

6 0 - 20 [8 + 12 {8-8 (20-12)+20}-40] ÷ 16 =?

Find the value of the expression:

18 + 12 – 4 × [22 + 6 – 2 × (38 – 23)]

Simplify the following expressions and choose the correct option.

[560 ÷ 7 - (3/8 of 128)] + [2/3 of 171 - 5²]

Simplify the following expression:

    (525 +175) ² - (525 – 175) ² / (525 × 175)

{(5/8) + (4/5)} × (?/19) = 33

What should come in place of (?) question mark in the given expression.

45% of 640 + (3/4 of 112) = ?

30% of 180 + 248 ÷ ? - √256 = 10²

What will come in the place of question mark (?) in the given expression?

28 X 3.5 + 12 X 6 = ? X 4 + 90

The value of 43-3× (4×6+12/3 ×6-4×5) +4?