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Number System

Number System
If a number is subtracted from its square we get 272. Find the number?

24
17
14
22

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x2 – x = 272 => x =17

Number System
3√103823 = ?

47
41
52
44

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 3√103823 = 3√47 x 47 x 47 = 47

Number System
Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5.

197
207
219
187

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.

Number System
Complete the series : 81, 69, 58, 48, 39 ........

31
29
28
30

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

31

Number System
ind the number, difference between number and its 3/5 is 50

123
120
124
125

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125

Number System
486+32×25—59=?

596
582
528
567

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

528

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