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Number System

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

106
108
109
107

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

109

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

378
396
343
382

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
(444 x 44 x 4) ÷ 40 ?

2153.6
2053.6
1953.6
1853.6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 444 x 44 x 4/40 = 1953.6

Number System
If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers.

30
125
50
25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.

Number System
96% of a number is 19584. What is 56% of that number ?

11524
11324
11424
11224

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.According to the question.96% of x = 19584= x = 1958 x 100/96 = 20400∴ 56% of 20400= 20400 x 56/100= 11424

Number System
What number should replace both the question marks (?) in the following question ?

83
82
84
85

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

84

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