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Number System

Number System
Complete the series : 1, 2, 3, 5, 8, 13 ....

9
7
4
1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1

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?

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

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

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

109
108
107
106

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

109

Number System
9 3/4 + 7 2/17 - 9 1/15 = ?

7 719/1020
7 817/1020
9 719/1020
9 817/1020

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020

Number System
The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ?

1468
1327
1292
1168

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

A + B + C + D + E + F + G/7 = 36Therefore, D = 36Therefore, C = 34,                             E = 38Therefore, Product = 34 x 38 = 1292

Number System
What is the least number to be subtracted from 696 to make it a perfect square?

71
1
20
16

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.

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