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Number System

Number System
On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5?

4
1
0
2

ANSWER DOWNLOAD EXAMIANS APP

Number System
If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is:

15
30
18
20

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20

Number System
{3√4913}² = ?

289
333
225
121

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = (3√4913)² = (17)² = 289

Number System
What is the sum of 1 + 2 + 3+ ... + 27 ?

378
382
343
396

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378

Number System
On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder?

0
11
3
5

ANSWER DOWNLOAD EXAMIANS APP

Number System
In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A?

Data inadequate
1/5
1/25
2/5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

A = 2B => B = 1/2 A, so, AB = 2/25 1/2 A2 = 2/25A2 = 4/25 A = 2/5

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