The profit earned by selling an article for ₹832 is equal to the loss incurred when the article is sold for ₹448. What will be the selling price of the article if it is sold at a ₹10%, loss?

Direction: What value will come in place of the question mark (?) in the following question?

8, 17, 53, ?, 1079, 6479

Directions : The pie graph indicates the break-up of the cost of construction of a house. Assuming that the total cost of construction is Rs 6,00,000, answer the following questions. 

The amount spent on labor exceeds the amount spent on supervision by :  

if 2x² – 7x + 5 =0, then what is the value of $$x^2+{25\over 4x^2}$$

What is the value of y in the following equation?
(1÷23) of [2{3 + 4(35 + 7)}] = y

The digit in unit’s place of the product 81 × 82 × 83 × ... × 89 is

$$ 11^{2}-4096^{1\over 4}+100^{1\over2}=?$$

What should come in place of the question mark (?) in the following mathematical statement?
$${{?^6÷16=108}}$$