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Number System

Number System
Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is:

36
27
18
30

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(3x-9):(5x-9) = 9:17 x = 12 => 3x = 36

Number System
A number exceeds by 25 from its 3/8 part. Then the number is?

32
35
40
39

ANSWER DOWNLOAD EXAMIANS APP

Number System
Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ?

425
625
325
525

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

625

Number System
Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number

18
24
32
None

ANSWER DOWNLOAD EXAMIANS APP

Number System
The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers?

Cannot be determined
92
70
29

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the ten's digit be x and units digit by y.Then,(10x + y) - (10y + x) = 639(x - y) = 63x - y = 7Thus, none of the numbers can be determined.

Number System
Supply the missing figure : 2, 6, 12, 20, 30 ... 56

41
39
42
40

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

42

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