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Number System

Number System
728.038 x 54.978 - 72.016 x 85.250 = ?

53900
43900
33900
23900

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
If 272/3 × 81-1/2 = 3x, the value of x is

0
1
3
2

ANSWER DOWNLOAD EXAMIANS APP

Number System
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:

None of these
30
40
20

ANSWER DOWNLOAD EXAMIANS APP

Number System
The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ?

295
245
275
225

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225

Number System
1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ?

511.49
521.49
491.49
501.49

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 1718.01 - 1196.52 = 521.49

Number System
The number of prime factors of (6)10×(7)17×(55)27

101
41
61
91

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

91

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