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Number System

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

6
8
10
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

Number System
How many figures are required to number the pages the pages of a book containing 365 pages?

987
977
897
967

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Number System
What is the value of ? in the following equations ? 72/? = ?/50

80
60
100
40

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60

Number System
A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder?

35
34
33
36

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Number System
What is the difference between the largest and the smallest number written with 7, 7, 0, 7?

693
6093
6993
6893

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Number System
5525 ÷ 17 = √?

105625
99225
93025
112225

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

√? = 5525/17 = 325∴ ? = (325)² = 105625

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