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Number System

Number System
2/11 of 3/7 of 8/13 of 12012 = ?

449
576
241
321

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576

Number System
Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is

93
85
74
110

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

85

Number System
36% of 850+? % of 592 = 750

12.5
50
75
25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

75

Number System
84 * 29 + 365 = ?

2436
- 2801
- 2071
2801

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

- 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071

Number System
(3² x 4² x 5) ÷ 36 = (?)² - 80

16
12
14
10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10

Number System
17580 x 1.8 - 13720 x 2.1 = ? x 2.4

1120
1160
1140
1180

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180

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