9th Maths (New) Reference Book : National Book Foundation NBF-Maths-Miscellaneous Exercise # 1 23 FBISE-9th-Maths-NBF-Chapter#1-Objectives Total 11 MCQsEvaluate your conceptsBoost your confidence for final board examsKeep practicing 1 / 11 1) If a+b = a, What is the value of b? A) 0 B) -1 C) a D) 1 2 / 11 2) If a.b = 1, What is b called ? A) self-multiplicative inverse B) additive identity C) multiplicative unverse of a D) multiplicative identity 3 / 11 3) If a.b = 1, What is value of b? A) -1 B) 1/a C) 1/b D) 1 4 / 11 4) If a.b = a, what is the value of b ? A) -1 B) a C) 1 D) 1/a 5 / 11 5) The solution of given question is? A) a (r) . a (2s) B) a (r) / a (2s) C) a (r-s) D) a (r+2s) 6 / 11 6) n√ab is equals to ? A) n(ab) B) √ab C) (ab)1/n D) (ab)n 7 / 11 7) According to reflective property : y2 – 17 =? A) y2 -17 B) y2 + 17 C) y – 17 D) -17 -y2 8 / 11 8) Which number is self multiplicative inverse? A) -1 B) -3 C) 0 D) 3 9 / 11 9) Commutative property does not hold with respect to: A) both (a) and (b) B) multiplication C) addition D) subtraction 10 / 11 10) If a > 0, then √a is? A) irrational B) integer C) rational D) real 11 / 11 11) a (b + c – d) equals……………? A) a (b+ c + d)) B) ab – ac – ad C) ac + ab – ad D) ab + ac + ad Your score is 0% Restart quiz
