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Number System

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

1140
1180
1120
1160

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
728.038 x 54.978 - 72.016 x 85.250 = ?

33900
23900
53900
43900

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900

Number System
Which one of the following numbers is exactly divisible by 11?

315624
235641
415624
245642

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(4 + 5 + 2) - (1 + 6 + 3) = 1, not divisible by 11.(2 + 6 + 4) - (4 + 5 + 2) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 3) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 4) = 0. So, 415624 is divisible by 11.

Number System
64% of 2650+40% 0f 320=?

1247
1824
1578
2096

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1824

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' ?

4098
2871
3016
1456

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

Number System
The number of prime factors of (6)10×(7)17×(55)27

101
91
41
61

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

91

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