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Number System

Number System
What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4?

6184
6048
6084
5084

ANSWER DOWNLOAD EXAMIANS APP

Number System
93296 - 45874 + 20382 - 56817 = ?

109857
109877
109867
109887

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 113678 - 102691 = 109887

Number System
On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is:

13
10
12
11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.

Number System
Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:

9
13
15
11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.

Number System
(3² x 4² x 5) ÷ 36 = (?)² - 80

10
12
16
14

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10

Number System
217 * 217 + 183 * 183 = ?

80578
81268
79698
80698

ANSWER DOWNLOAD EXAMIANS APP
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