Question

Please help me with the following questions:
16. A whole number is added to 25 and the same number is subtracted from 25. The sum of the
resulting numbers is
(A) 0 (B) 25
(C) 50 (D) 75
17. By using dot (.) patterns, which of the following numbers can be arranged in all the three ways
namely a line, a triangle and a rectangle?
(A) 9 (B) 10
(C) 11 (D) 12
18. The greatest number which always divides the product of the predecessor and successor of an odd
natural number other than 1, is
(A) 6 (B) 4
(C) 16 (D) 8

Answer 1

Answer:

16) 25

17) 9

Step-by-step explanation:

12) given

a whole number added to added to 25

whole number = x

=25+X

and same number subtracted from 25

=25-X

= 25

17) 9 dots