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Number System

Number System
If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1)

75
54
88
64

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

64

Number System
The digit in unit's place of a three digit number is thrice the digit in ten's place & the digit in hundred's place is two-third of the digit in ten's place. If the sum of three digits of number is 14

215
221
239
211

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the ten's digit be x.∴ Unit's digit = 3xHundered's digit = 2x/3∴ x + 3x + 2x/3 = 14= 3x + 9x + 2x = 14 x 3= 14x = 14 x 3= x = 3∴ Number = 239

Number System
?2704 x ?2209=?

4444
3444
2444
1444

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2444

Number System
In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend?

55053
5553
56053
50553

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

120 * 456 + 333 = 55053

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
8/13
6/13
9/13

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
7.98 x 3.75 + 1.28 x 15.5 = ?

48.765
49.765
46.765
47.765

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 29.925 + 19.84 = 49.765

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