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Number System

Number System
(2560 x 1.4) +(7400 x 0.6) =?

7234
9160
6543
8024

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8024

Number System
Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be?

10, 5
7, 8
6, 9
9, 6

ANSWER DOWNLOAD EXAMIANS APP

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

60480
62480
63480
61480

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

No. of arrangements = 9! / 3! Because, E comes 3 times = 60480

Number System
If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ?

92
95
103
99

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801  Therefore, x = 99

Number System
What number should replace both the question marks (?) in the following question ?

83
82
85
84

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

84

Number System
How many figures are required for numbering the pages of a book containing 1000 pages?

6489
2893
2883
3892

ANSWER DOWNLOAD EXAMIANS APP
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