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Number System

Number System
728.038 x 54.978 - 72.016 x 85.250 = ?

23900
43900
53900
33900

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900

Number System
217 * 217 + 183 * 183 = ?

81268
80578
80698
79698

ANSWER DOWNLOAD EXAMIANS APP

Number System
The product of two consecutive position odd numbers is 6723. What is the smaller number?

79
71
83
74

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

n x (n + 2) = 6723= n² + 2n - 6723 = 0= n² + 83n - 81n - 6723 = 0= n(n + 83) - 81 (n + 83) = 0Therefore, (n - 81) (n + 83) = 0Therefore, n = 81, n + 2 = 83

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

STAB
STAM
STAK
STAR

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

STAB

Number System
On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is:

12
10
13
11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.

Number System
Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 ....

1
15
7
19

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

19

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