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Number System

Number System
If HKUJ means FISH, what does UVCD mean ?

STAK
STAM
STAR
STAB

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

STAB

Number System
What will be the next number in the following number series ?

162
191
177
182

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1² + 1, 3² + 3, 5² + 5, 7² + 7

Number System
The difference between two integers is 5. Their product is 500. Find the numbers.

15, 20
20, 25
21, 26
30, 25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.

Number System
What is the sum of all the composite numbers up to 20?

132
130
128
131

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132

Number System
3√68921 = ?

51
21
31
41

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 3√68921= 3√41 x 41 x 41= 41

Number System
If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series?

6/13
9/13
7/13
8/13

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13

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