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Number System

Number System
What number should replace both the question marks (?) in the following question ?

85
82
83
84

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

84

Number System
384×12×2=?

8465
9216
6123
7487

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9216

Number System
35%of ?=242

487
693
394
542

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

693

Number System
√360 - 225 x 2 + 379 = ?

18
17
20
19

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = √360 - 225 x 2 + 379 = √360 - 450 + 379 = √289= 17

Number System
A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number?

21
42
84
24

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2/3 x = 28 => x = 4242 * 1/2 = 21

Number System
4.78% of 1255 + 3.24% of 440=0.5% of ?

12849
13849
14849
11849

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849

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