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