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Number System

Number System
How many figures are required to number the pages the pages of a book containing 365 pages?

987
967
897
977

ANSWER DOWNLOAD EXAMIANS APP

Number System
1260 x 1.45 - 888 x 1.75 = ?

295
273
256
367

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273

Number System
7.98 x 3.75 + 1.28 x 15.5 = ?

48.765
49.765
47.765
46.765

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 29.925 + 19.84 = 49.765

Number System
If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is:

83/77
73/77
93/77
77/73

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

73/77

Number System
If 2^(2x-1) = 8^(3-x), then the value of x is:

9
6
2
5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2

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

75
125
None of these
100

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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