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Number System

Number System
On converting the following base-2 numeral in base ten, 1101101, we get

107
109
108
106

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

109

Number System
The difference between two integers is 5. Their product is 500. Find the numbers.

21, 26
20, 25
30, 25
15, 20

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.

Number System
20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ?

6000
5800
6080
5976

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080

Number System
By how much is 3/5th of 875 greater than 2/3 of 333?

233
303
199
362

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3/5th of 875 is greater than 2/3rd of 333= 3/5 * 875 - 2/3 * 333= 525 - 222 = 303.

Number System
The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is?

6
4
1
Nothing can be said.

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(10x + y) – (10y + x) = 54x – y = 6

Number System
Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively?

75
67
61
65

ANSWER DOWNLOAD EXAMIANS APP
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