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Number System

Number System
1827÷ 36 x ?=162.4

4.3
1.9
2.6
3.2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3.2

Number System
9 3/4 + 7 2/17 - 9 1/15 = ?

9 817/1020
7 719/1020
7 817/1020
9 719/1020

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020

Number System
If 5/7 of a number is 145, what is 180% of that number ?

375.4
355.4
365.4
345.4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4

Number System
If the difference between a number and two-fifths of that number is 45 what is the number ?

77
75
78
76

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x ∴ x - 2x/5 = 45∴ x = 75

Number System
What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ?

5656
4545
7878
3434

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545

Number System
Find the smallest number which should be multiplied with 520 to make it a perfect square.

120
30
55
None of these

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