9th Maths (New) Reference Book : National Book Foundation NBF-Maths-Miscellaneous Exercise # 1 15 FBISE-9th-Maths-NBF-Chapter#1-Objectives Total 11 MCQsEvaluate your conceptsBoost your confidence for final board examsKeep practicing 1 / 11 1) Which number is self multiplicative inverse? A) -1 B) 3 C) 0 D) -3 2 / 11 2) If a+b = a, What is the value of b? A) a B) 1 C) 0 D) -1 3 / 11 3) If a.b = 1, What is value of b? A) 1/b B) -1 C) 1/a D) 1 4 / 11 4) a (b + c – d) equals……………? A) ab + ac + ad B) ac + ab – ad C) ab – ac – ad D) a (b+ c + d)) 5 / 11 5) According to reflective property : y2 – 17 =? A) y2 + 17 B) -17 -y2 C) y2 -17 D) y – 17 6 / 11 6) If a > 0, then √a is? A) integer B) real C) irrational D) rational 7 / 11 7) If a.b = a, what is the value of b ? A) a B) -1 C) 1/a D) 1 8 / 11 8) The solution of given question is? A) a (r) / a (2s) B) a (r+2s) C) a (r) . a (2s) D) a (r-s) 9 / 11 9) Commutative property does not hold with respect to: A) subtraction B) both (a) and (b) C) addition D) multiplication 10 / 11 10) n√ab is equals to ? A) (ab)n B) √ab C) n(ab) D) (ab)1/n 11 / 11 11) If a.b = 1, What is b called ? A) multiplicative identity B) additive identity C) self-multiplicative inverse D) multiplicative unverse of a Your score is 0% Restart quiz
