TY - BOOK AU - Debey,Manoj AU - Tomar,R.S. TI - Question bank in mathematics: for class X SN - 0074634208 U1 - 510.76 PY - 1997/// CY - New Delhi PB - Tata McGraw-Hill Education KW - Ratio and proportion KW - Mathematics KW - Trigonometry KW - Geometric ER -