Practice mode / Numbers If x>y>z which cannot be true? A Option A: x+y> z B Option B: x-y = z C Option C: Y+z<xy D Option D: z >xy Correct answer D. z >xy Show answer Report a problem How we write and check questions
Question 01 / Numbers If a>1 and ab-4=4-b then b =? If a is an integer? A Option A: 4 B Option B: 5 C Option C: 7 D Option D: 10 E Option E: 12 Correct answer A. 4 Show answer Open question
Question 02 / Numbers If xz which must be true? A Option A: x+z< x B Option B: y-x < z C Option C: z+y< y D Option D: x+y>y+z E Option E: 2x > z Correct answer B. y-x < z Show answer Open question
Question 03 / Numbers Let = 5x+2 for all +ve integers. If =12 then x =? A Option A: 2 B Option B: 10 C Option C: 12 D Option D: 15 E Option E: 20 Correct answer A. 2 Show answer Open question
Question 04 / Numbers For any number w let #w# be defined by the equation #w# = - what is the value of #-1#? A Option A: -2 B Option B: -1 C Option C: 2 D Option D: 1 E Option E: 0 Correct answer C. 2 Show answer Open question
Discussion