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Number System

Number System
In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is:

2568
9865
6890
5336

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

5336

Number System
What should be the least number to be added to the 51234 number to make it divisible by 9?

6
4
5
3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The least number to be added to the numbers to make them divisible by 9 is equal to the difference of the least multiple of 9 greater than the sum of the digits and sum of the digits.Sum of digits = 15.Nearest multiple of 9 greater than sum of digits = 18.Hence 3 has to be added.

Number System
The square root of 0.0081 is:

0.09
0.9
0.009
0.91

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.09

Number System
How many words can be made using the letters of the word "BHAG WADGITA" if all the vowels come together and all the consonants come together ?

40160
30160
10160
20160

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

No. of words = l2  l4  l7  / l3  l2  = 20160

Number System
If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series?

7/13
9/13
6/13
8/13

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13

Number System
If the difference between the squares of two consecutive numbers is 47, what is the smaller number ?

24
23
26
25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23

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