QUANTS
1. The unit digit in the product (2467)153× (341)72 is?
a) 1 b) 3 c) 7 d) 9
2. If x = 1/x = 1, then the value of 2/(x2- x+2 ) = ?
a) 2/3 b) 2 c) 1 d) 4
3. If x = 1/(2+ √3) , y = 1/(2 - √3) , then the value of 8xy (x2 + y2) is ?
a) 112 b) 194 c) 290 d) 196
4. The LCM of two positive integers is twice the larger number. The difference of the smaller number and the GCD of the two numbers is 4. The smaller number is?
a) 12 b) 6 c) 8 d) 10
D.1-5) Find the missing numbers
1. 15, 30, ?, 40, 8, 48
a) 10 b) 20 c) 36 d) 19 e) None
2. 64 36 22 15 _?_ 9.75
a) 11.75 b) 12.50 c) 11.50 d) 12.25 e) None
3. 81, 41, 42, 64.5, ?, 330
a) 131 b) 118.5 c) 129 d) 105.5 e) None
4. 114, 115, 107, 134, 70, ?
a) 140 b) 35 c) 195 d) 150 e) None
5. 87, 90, 84, 88, 81, ?, ?
a) (85, 93) b) (86, 98) c) (86, 78) d) (86, 68) e) None
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