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Number System

Number System
Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number

18
24
None
32

ANSWER DOWNLOAD EXAMIANS APP

Number System
16.23 x 12.9 + 17.32 = ?

236.687
246.687
None of these
226.687

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687

Number System
106 * 106 - 94 * 94 = ?

2000
2400
1906
1904

ANSWER DOWNLOAD EXAMIANS APP

Number System
Sum of the digits number is 8 and their product is 12. Find the difference between the digits?

None
4
2
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4

Number System
(164 x 175) x ? = 258300

11
2
9
5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 258300 / 164 x 175 = 9

Number System
1260 x 1.45 - 888 x 1.75 = ?

256
295
273
367

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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