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Number System

Number System
The Twenty-First Century will start on January 1 in the year

2001
2100
2000
2101

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2001

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

491.49
501.49
511.49
521.49

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 1718.01 - 1196.52 = 521.49

Number System
In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is

640
725
775
750

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Failed students are 32% which is 248.∴ Total = 24800/32 = 775

Number System
(4300731) - ? = 2535618

1775123
1765113
1675123
1865113

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113

Number System
When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number?

97
99
101
103

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.

Number System
1827÷ 36 x ?=162.4

3.2
4.3
1.9
2.6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3.2

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