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Number System

Number System
(4300731) - ? = 2535618

1775123
1865113
1675123
1765113

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113

Number System
The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ?

1480
1780
1680
1580

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40                                 s =  x + 6 = 42Therefore, Product = 1680

Number System
√(17)² + (17)² + (5)² - 2 = ?

17
19
16
18

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = √49 + 289 + 25 - 2 = √361 = 19

Number System
What is the sum of all the numbers between 300 and 1000 which are divisible by 179?

2517
2527
2506
2607

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506

Number System
The sum of three consecutive numbers is 87. The greatest among these three number is:

28
30
26
29

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.

Number System
One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number?

3
7
5
9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x/2 – x/3 = 6=> x =63 + 6 = 9

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