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Number System

Number System
Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers?

62, 18
65, 15
60, 20
64, 16

ANSWER DOWNLOAD EXAMIANS APP

Number System
Complete the series : 81, 69, 58, 48, 39 ........

28
30
29
31

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

31

Number System
480% of 350 + 620% of 275 = ?

5385
4385
3385
2385

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385

Number System
Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is

74
85
93
110

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

85

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

None of these
100
75
125

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ?

36
52
56
48

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36

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