In the following figure, rectangle represents Engineers, circle represents Food stylists, triangle represents Potters and square represents Joggers. Which set of letters represents Joggers who are either Engineers or Food stylists?
If price of an article decreases from Rs 800 to Rs 700, quantity demanded increases from Q1 units to 70 units. If point elasticity of demand is -1.333 find Q1?
Out of a group of three numbers, second is thrice of the first and also twice of the third. If the sum of the three numbers is 55 then find the largest number in the group.