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Number System

Number System
65% of 320+?=686

480
478
481
479

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
If the product of two successive positive integers is 4692, what is the smaller number ?

68
66
64
70

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

∵ 68 x 69 = 4692

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
11
3
9

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
If the difference between a number and its three fifths is 62, what is the number ?

145
155
165
175

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155

Number System
Find the number of factors of 300 excluding 1 and itself.

15
18
14
16

ANSWER DOWNLOAD EXAMIANS APP

Number System
35%of ?=242

693
487
542
394

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

693

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