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Number System

Number System
17580 x 1.8 - 13720 x 2.1 = ? x 2.4

1120
1160
1180
1140

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180

Number System
In how many different ways can the letters of the word "MOBILIZE" be arranged ?

18456
17453
20160
19765

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160

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

2508
2520
2504
2510

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520

Number System
A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits?

8
7
12
60

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12

Number System
How many numbers up to 200 are divisible by 2 and 3 both?

29
27
33
35

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

200/6 = 33 2/6 => 33 Numbers

Number System
The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ?

1456
4098
3016
2871

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016

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