A rectangle has a perimeter of 60 cm. The length and breadth of rectangle is (k + 4) cm and (3k - 2) cm respectively.

50. The value of k is

(A) 7
(B) 9
(C) 12
(D) 29

51. The length and breadth of the rectangle is
(A) 11, 7
(B) 11, 19
(C) 19, 20
(D) 23,11

52. If perimeter of rectangle is equal to perimeter of square, then side of square is

(A) 60cm
(B) 18cm
(C) 225cm
(D) 15cm

50. (A) 7

51. (B) 11, 19

52. (B) 18cm