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Number System

Number System
Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers?

65, 15
62, 18
60, 20
64, 16

ANSWER DOWNLOAD EXAMIANS APP

Number System
What is 25/2% of 482 times of 183 ?

12025.50
12025.75
11050.75
11025.75

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

25/2% of [482 x 183]= 25/2% of 88206= 25/2 x 88206 / 100= 88206 / 8= 11025.75

Number System
If one third of 3/4 of a number is 21. Then find the number?

840
63
84
630

ANSWER DOWNLOAD EXAMIANS APP

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

162
182
191
177

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1² + 1, 3² + 3, 5² + 5, 7² + 7

Number System
If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number?

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1/4 = 14. 3/5  = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14

Number System
In how many different ways can the letters of the word TEST' be arranged ?

12
16
10
8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12

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