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Number System

Number System
The difference between a number and its three-fifth is 50. What is the number?

125
None of these
100
75

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.

Number System
(4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ?

27.54
29.81
30.52
28.56

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8)   = 70.84 - 40.32   = 30.52

Number System
2/11 of 3/7 of 8/13 of 12012 = ?

449
576
241
321

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576

Number System
If HKUJ means FISH, what does UVCD mean ?

STAB
STAK
STAM
STAR

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

STAB

Number System
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ?

1
2
4
3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4

Number System
(4 86%of 6500) ÷ 36 =?

677.5
877.5
977.5
777.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

877.5

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