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Number System

Number System
If 5/7 of a number is 145, what is 180% of that number ?

365.4
355.4
375.4
345.4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4

Number System
The number of prime factors of (6)10×(7)17×(55)27

91
61
101
41

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

91

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 ?

145214
145714
145914
145314

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
Let R = qs—4. When s=8, R=16. When s=10, R is equal to

22
21
20
23

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

21

Number System
8988 / 8 / 4 = ?

4494
280.875
2247
561.75

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8988 * 1/8 * 1/4 = 2247/8 = 280.875

Number System
Find the number which multiplied by 15 is increased by 196.

28
20
26
14

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x. Then,15x - x = 196x = 14

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