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Number System

Number System
Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number?

78
65
34
23

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

65

Number System
Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is:

10
5
4
6

ANSWER DOWNLOAD EXAMIANS APP

Number System
What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345?

2105
2345
5243
2435

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2000 + 300 + 40 + 5 = 2345

Number System
The difference between a number and its three-fifth is 50. What is the number?

None of these
100
125
75

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.

Number System
What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3?

70983
43983
43883
43893

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

74330 Largest30347 Smallest-------------43983

Number System
If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number?

4/5
3/5
1/5
2/5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1/4 = 14. 3/5  = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14

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