1399x1399=?

If 3√5 + √125 = 17.88, then what will be the value of √80 + 6√5 ?

On meeting Tony, if Appu and Tony walk towards the spot where Roxy is waiting, how manyminutes have elapsed between Roxy leaving the duo and then meeting them again ?

6138.85 + 2015.819 = ? + 2584.0259

(704 x 555) ? 55 = ?

The remainder, when (15²³ + 23²³) is divided by 19, is?

0.02 x 0.5 = ?

7 x ? =29.05

The unit’s digit in the product 274 x 318 x 577 x 313 is :

(1331)^-2 ÷ (14641)^-3 = (11)^? * (121)