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Number System

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

Number System
Which number should replace question mark (?) in the following equation ? ?/342 = 38/?

112
118
116
114

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114

Number System
?125÷5x ?=6265

1452
124
1253
153

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1253

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

491.49
511.49
521.49
501.49

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 1718.01 - 1196.52 = 521.49

Number System
148 x 3.75 x 4 = 111 x ?

17
20
24
19

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 148 x 3.75 x 4/111 = 20

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

21
84
24
42

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2/3 x = 28 => x = 4242 * 1/2 = 21

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