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Number System

Number System
How many figures are required to number the pages the pages of a book containing 365 pages?

977
987
967
897

ANSWER DOWNLOAD EXAMIANS APP

Number System
If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ?

4/9
3/9
6/9
5/9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the fractions be x/yx + 200% of x/y + 300% of y = 1/3= x + 2x/y + 3y = 1/3= 3x/4y = 1/3Hence x/y = 4/9

Number System
?125÷5x ?=6265

1253
153
1452
124

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1253

Number System
4.78% of 1255 + 3.24% of 440=0.5% of ?

11849
12849
13849
14849

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849

Number System
7589 - ? = 3434

4155
1123
4242
11023

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 7589 - x = 3434Then x = 7589 - 3434 = 4155

Number System
65 x 288 ÷ 52 = 1.8 x ?

200
180
210
190

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 65x288/52x1.8 = 200

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