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Number System

Number System
7.8% of 12.5 + 2.5% of 161 = ?

5
12
2
9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5

Number System
(12.04 x 7.5 + 0.8 x 45) ÷ 3 = ?

45
54.7
42.6
42.1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(90.3 + 36) ÷ 3 = 126.3/3 = 42.1

Number System
What is the remainder when 263251 is divided by 9?

8
3
1
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

If the sum of the digits of a number is divisible by 9, the number will be divisible by 9.2 + 6 + 3 + 2 + 5 + 1 = 19The nearest multiple of 9 is 18.19 - 18 = 1.

Number System
The sum of three consecutive numbers is 87. The greatest among these three number is:

26
28
29
30

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.

Number System
The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ?

85.5
82.5
83.5
84.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x + y = 165x - y = 92x = 174                         ∴ x = 87 and y = 78∴ x + y/2 = 165/2               = 82.5

Number System
1256+4813+765=?

6831
6839
6834
6836

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1256+4813+765= 6069+765=6834

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