(1). The product of two number is 504 and sum of their square is 1017. Find the difference between these two numbers?

• (a). 7
• (b). 3
• (c). 6
• (d). 5
• (e). None of these

(2). The product of two number is 774 and sum of their square is 2173. Find the difference between these two numbers?

• (a). 19
• (b). 40
• (c). 25
• (d). 17
• (e). None of these

(3). Find the two numbers whose sum is 21 and the sum of their squares is 225?

• (a). 8, 13
• (b). 9, 12
• (c). 15, 6
• (d). 7, 14
• (e). None of these

(4). Find the two numbers whose sum is 28 and the sum of their squares is 400?

• (a). 12, 16
• (b). 14, 14
• (c). 15, 13
• (d). 11, 17
• (e). None of these

(5). Find the product of two numbers, whose sum of the square is 625 and the square of their difference is 25.

• (a). 500
• (b). 400
• (c). 450
• (d). 300
• (e). None of these

(6). Find the product of two numbers, whose sum of the square is 865 and the square of their difference, is 49.

• (a). 420
• (b). 408
• (c). 350
• (d). 422
• (e). None of these

(7). The sum of two numbers is 75 and their difference is 13. The difference of their squares is.

• (a). 961
• (b). 568
• (c). 975
• (d). 345
• (e). None of these

(8). The sum of two numbers is 110 and their difference is 56. The difference of their squares is.

• (a). 6100
• (b). 6400
• (c). 7900
• (d). 6160
• (e). None of these

(9). The least perfect square, which is divisible by each of 21, 36 and 66 is:

• (a). 213444
• (b). 214344
• (c). 214434
• (d). 231444
• (e). None of these

(10). A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is

• (a). 57
• (b). 67
• (c). 77
• (d). 87
• (e). None of these