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If wz ＜ 2, is z ＜ 1?(1)w ＞ 2(2)z ＜ 2
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Is y
1.y+z=1
2. $$y^{2}\lt{z^{2}}$$
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PREP07 Test 2
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Is |x | = y - z ? (1) x + y = z (2) x < 0
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PREP07 Test 2
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If zt < -3, is z < 4 ?(1) z < 9 (2) t < -4
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PREP07 Test 1
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Is 4z > -6 ?(1) z < 7(2) z > -1
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OG18-定量推理
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Is zw positive?(1) $$z + w^{3} = 20$$(2) z is positive
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OG19-定量推理
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Is zw positive?
(1) $$z + w^{3} = 20$$
(2) z is positive.
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Is xy + z = z, is |x-y|＞ 0 ?(1)x = 0(2)y = 0
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If xy + z = z, is |x-y| > 0 ?(1) x ≠ 0(2) y = 0
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OG16 OG17 OG18 OG19 OG20 OG2022
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Is zp negative?(1) $${p}{z}^{4}< 0$$(2) $$p + {z}^{4} = 14$$
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181215
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Is $$\frac{xy^{2}}{z^{3}}>1$$?
1:x < z < y
2:x > 0
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300难题
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If x < y < z and y - x > 5, where x is an even integer and y and z are odd integers, what is the least possible value of z - x ?
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Ready4
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What is the cube root of z? - The 5th root of z is 243.
- The 25th root of z is 3.
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181215
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x,y,z are three prime numbers. Is xyz < 700?
1: x,y,z are no more than 14.
2: x,y,z are the factors of 70.
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190113
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$$n^{x}p^{y}r^{z}$$ < 100. If n, p, r, x, y, and z are positive integers. Are n, p, and r prime numbers?
(1)x+y+z=5
(2)npr=30
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191031
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Five numbers v,w,x,y,z. Is the median of the five numbers equal to its mean?
(1). v < w < x < y < z
(2). w-v = x-w = y-x = z-y
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191031
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Three positive integers x y z, satisfying 5 < x < y < z < 11, what is the value of z?
(1)x = 7,y = 8
(2)x, y are odds
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PREP07 Test 1
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The positive integers x, y, and z are such that x is a factor of y and y is a factor of z. Is z even?(1) xz is even.
(2) y is even.
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PREP07 Test 2
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Are the integers z and f to the right of 0 on the number line? (1) The product of z and f is positive. (2) The sum of z and f is positive.
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PREP07 Test 2
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If w, x, y, and z are integers such that w/x and y/z are integers, is w/x + y/z odd?(1) wx + yz is odd.(2) wz + xy is odd.
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