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Number System

Number System
Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number

15
7.5
4
5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5

Number System
?2704 x ?2209=?

2444
3444
1444
4444

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2444

Number System
If the difference between a number and two-fifths of that number is 45 what is the number ?

77
76
75
78

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x ∴ x - 2x/5 = 45∴ x = 75

Number System
65% of 320+?=686

478
481
479
480

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
The population of a town increases by 15% in the first year and decreases by 25% in the second year. If its current population is 168480 then what will be its population after two years ?

145714
145314
145214
145914

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Population of the town= 168480 x 115/100 x 75/100= 145314

Number System
What is 846 times 323 ?

264258
283298
293798
273258

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

846 x 323 = 273258

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