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Number System

Number System
3√103823 = ?

52
47
41
44

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 3√103823 = 3√47 x 47 x 47 = 47

Number System
The Twenty-First Century will start on January 1 in the year

2001
2101
2100
2000

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2001

Number System
4500 * ? = 3375

2/5
1/4
3/5
3/4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

4500 * x = 3375= x = 3375/4500 = 3/4

Number System
[(18.6 x 4.5) + (7.8 ÷ 0.24)] ÷ 3.2 = ?

46.3125
25.3125
26.3125
36.3125

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 83.7 + 32.5/3.2 = 116.2/3.2 = 36.3125

Number System
If a number is subtracted from its square we get 272. Find the number?

24
14
22
17

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x2 – x = 272 => x =17

Number System
The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ?

1760
3289
2476
4589

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

A + B + C + D + E/5 = 42∴ C = 42,   ∴ B = 40,  ∴ D = 44∴ B x D = 40 x 44 = 1760

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