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Number System

Number System
The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers?

168
170
171
169

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

168

Number System
432+2170+35=?

678
523
494
729

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

494

Number System
17580 x 1.8 - 13720 x 2.1 = ? x 2.4

1120
1140
1180
1160

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180

Number System
If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ?

3/5
7/5
1/5
8/5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the original fraction be x/y.∴ x x 87.5/100/y x 280/100 = 1/2or 87.5x/280y = 1/2∴ 175x = 280y∴ x/y = 280/175        = 8/5

Number System
Simplify the 121 * 175 + 363 * 275

None of these
363000
316600
328100

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000

Number System
217 * 217 + 183 * 183 = ?

79698
80578
81268
80698

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