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Number System

Number System
(1024—263—233)÷(986—764— 156) =?

8
10
None of these
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

Number System
The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ?

Rs. 926
Rs. 945
Rs. 986
Rs. 1054

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.78% of x - 59% of x = 323= 78x - 59x/100 = 323= 19x/100 = 323∴ x = 323 x 100/19 = 1700= 62% of 1700 = 1700 x 62/100 = 1054

Number System
Two-third of a positive number and 25/216 of its reciprocal are equal. The number is:

5/12
144/25
25/144
12/5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12

Number System
96% of a number is 19584. What is 56% of that number ?

11424
11524
11324
11224

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.According to the question.96% of x = 19584= x = 1958 x 100/96 = 20400∴ 56% of 20400= 20400 x 56/100= 11424

Number System
If 2^(2x-1) = 8^(3-x), then the value of x is:

6
5
2
9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2

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

2096
1578
1824
1247

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1824

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