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Number System

Number System
65% of 320+?=686

480
481
479
478

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

65% of 320+?=686 208+?=686?=686-208?=478

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 = ?

325
425
625
525

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

625

Number System
(4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ?

30.52
29.81
28.56
27.54

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8)   = 70.84 - 40.32   = 30.52

Number System
A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:

5
9
11
3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.

Number System
(164 x 175) x ? = 258300

5
9
2
11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 258300 / 164 x 175 = 9

Number System
The square root of 3 + “5 is :

“5 /2 - 1/”2
“3 /2 - 1/”2
“3 /2 + 1/”2
“(5/2) + “(1/2)

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

“(5/2) + “(1/2)

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