Video life certificate for pensioners is launched

21² + 14 × 23 – 28 × 15 = ?  

Simplify the following expressions and choose the correct option.

(56% of 750) − (3/8 of 320) + (2.5)² = ?

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

{ 5 × [ (36 ÷ 3) + (64 ÷ 8) ] } − (4³) = ?

(49 x ?) / 3.5 + 389 = 627

63 × 4 = ?² – 1620 ÷ 5

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

(√1089 + 84 ÷ 2) % of 348 = 416 - ?

Simplify the following expressions and choose the correct option.

[(13)² − (9)²] × (5/8) = ?

37% of 810 – 32% of 460.5 = ?

(13)² + 6 × (19)² – 312 × 4 = ?