4561 + 3254 =5422 +?

0.01 X 0.1 - 0.001 ÷10 + 0.01 = ?

(98x198)÷(48x148)=?

(0.04)? x (0.2)? ÷ (0.008)^2 =(0.2)?

13 16 21 27 39 52 69

Three pencils , four erasers and two sharpeners together cost Rs. 10.50. Two pencils one eraser and three sharpeners together cost Rs. 9.50. How much does each eraser cost?

7999.99+72x49.99=?

Total number of men selecting Product F forms approximately what percent of the total number of people selecting all the Products together?

If x = 1 – q and y = 2q + 1, then for what value of q, x is  equal to y?

1/2 of 4/5 of 3/8 of 7450=?