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Number System

Number System
How many figures are required to number the pages the pages of a book containing 365 pages?

977
897
987
967

ANSWER DOWNLOAD EXAMIANS APP

Number System
Find the least value of 3x + 4y if x2y3 = 6.

7
10
6
3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

10

Number System
1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ?

511.49
521.49
501.49
491.49

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 1718.01 - 1196.52 = 521.49

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

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

ANSWER DOWNLOAD EXAMIANS APP

Number System
If the of a two-digit number are interchanged, the number so obtained is greater than the original number by 18. If the sum of the two digits of the number is 14. What is the original number ?

68
64
66
62

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the no. be 10x + y.No. formed by the interchange of digits = 10y + xWe have y - x = 2 .........(i)y + x = 14            .........(ii)Solving (i) and (ii), we get x = 6, and y = 8∴ the no. is 68.

Number System
7.98 x 3.75 + 1.28 x 15.5 = ?

49.765
46.765
47.765
48.765

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 29.925 + 19.84 = 49.765

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