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Number System

Number System
In how many different ways can the letters of the word ANATOMY be arranged ?

2508
2504
2520
2510

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520

Number System
If the product of two successive positive integers is 4692, what is the smaller number ?

68
70
66
64

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

∵ 68 x 69 = 4692

Number System
When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ?

46
44
47
45

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46

Number System
(12.11)2 + (?)2 = 732.2921

14.2
24.2
17.2
20.2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

24.2

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

521.49
501.49
511.49
491.49

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 1718.01 - 1196.52 = 521.49

Number System
What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4

37
36
39
38

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37  and 37/7.4 = 5

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