Question 139
Put three different numbers in the circles, so that when you add the numbers at the end of each line, you always get a perfect square.
∵ 6 + 19 = 25 (perfect square) 19 + 30 = 49 (perfect square) and 30 + 6 = 36 (perfect square)
Question 4 (i) Find the least number which must be subtracted from each of the following numbers so as to get a perfect square. Also, find the square root of the perfect square so obtained:
402
A rational number is such that when you multiply it by 5 upon 2 and add two upon three to the product you get _7\12 what is the number