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Number System

Number System
(95.6x 910.3) ÷ 92.56256 = 9?

14.44
15.54
13.34
12.24

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

13.34

Number System
The product of two consecutive odd numbers is 6723. Find is the greater number.

83
80
77
85

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the first odd number be x.Then, the other odd number would be x + 2.∴ x(x+2) = 6723= x2 + 2x = 6723= x2 + 2x = 6723= x2 + 2x - 6723 = 0= x2 + 83 - 81 x - 6723 = 0= x(x+83) - 81 (x + 83) = 0= (x + 83) (x - 81) = 0= (x + 83) (x - 81) = 0= x - 81 = 0∴ x = 81Hence, greater number = x + 2 = 81 + 2 = 83

Number System
(1024—263—233)÷(986—764— 156) =?

None of these
8
6
10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

Number System
In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient?

0
12
13
20

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number = (12 * 35) = 420Correct quotient = 420/21 = 20

Number System
Four-fifth of a number is 10 more than two-third of the same number. What is the number?

91
89
35
75

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

75

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

14
12
16
10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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