let the price of one pencil = x and the price of one pen = y ATQ- 2x + 3y = 55 .... (1) 7x +2y = 65 ......(2) Eq (1) multiplied by 2 and eq (2) multiplied by 3. 4x +6y = 110 21x +6y =195 17x = 85 x = 5 put the value of x in eq (1) y =15 now price of 2 pencils + 1 pens =2× 5+15= 25
Select the option that is related to the third number in the same way as the second number is related to the first number.
12 : 60 :: 16 : ?
You are stuck in a traffic jam with vehicles blocking all your paths and you get out of your vehicle to find out the reason. You notice that a person is...