If 2x + 3y -31, y – z - 4 and x + 2z – 11, then what is the value of x + y + z ?

√841x √64÷√25=?

(3/7)*(4/9) *(2/7) * 3719 =?

52.416 ÷ 18.72+6.28 = ?

Given √5 = 2.2361, √3 = 1.7321, then 1/√5 - √3 is equal to;

34.95 + 240.016 + 23.98 = ?

(47 × 588) ÷ (28 × 120) =?

If the final amount of money that Ghosh Babu had with him was Rs. 100, what was the initial amount he had With him?

125% of 605 +(4/5) of 218 =?

√7+√5/√7-√5 is equal to: