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Number System

Number System
56.21 +2.36+5.41 —21.4+1.5=?

54.08
34.08
44.08
64.08

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

44.08

Number System
The difference between two integers is 5. Their product is 500. Find the numbers.

30, 25
21, 26
20, 25
15, 20

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.

Number System
The sum of three consecutive multiples of 3 is 72. What is the largest number?

27
36
24
21

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.

Number System
√207.36 = ?

15.7
16.7
12.3
14.4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

√207.36 = √20736/√100 = 144/10 = 14.4

Number System
A man engaged a servant on the condition that he would pay him Rs.710 and a uniform after a year service. He served only for 8 months and got Rs.460 and a uniform. Find the price of the uniform?

Rs.20
Rs.30
Rs.25
Rs.40

ANSWER DOWNLOAD EXAMIANS APP

Number System
666 / 6 / 3 = ?

111
333
37
84

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

666 * 1/6 * 1/3 = 37

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