iQ Quiz Game 9

Test # 9


1.
@ is defined as A @ B = A - B - AB. If A @ 3 = 6, A =

Login/Register to access massive collection of FREE questions and answers.
Login/Register

iQ Quiz
Quiz Index
1450 questions in 145 tests. Each test contains 10 questions.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145

Idiom of the Day

let it rip
to let something go at full speed, to take off all restraints
I let it rip when I got on the motorcycle.

My Account / Test History

Simple Science

Combination of Pulleys

Man's Way of Helping Himself:
A combination of pulleys called block and tackle is used where very heavy loads are to be moved. In Figure the upper block of pulleys is fixed, the lower block is movable, and one continuous rope passes around the various pulleys. The load is supported by 6 strands, and each strand bears one sixth of the load. If the hand pulls with a force of 1 pound at P, it can raise a load of 6 pounds at W, but the hand will have to pull downward 6 feet at P in order to raise the load at W 1 foot. If 8 pulleys were used, a force equivalent to one eighth of the load would suffice to move W, but this force would have to be exerted over a distance 8 times as great as that through which W was raised.

FIG. - An effective arrangement of pulleys known as block and tackle.

Basic English Usage
Home
My Account
English Test
Verbal Reasoning
GK Quiz
Grammar Test