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Number System

Number System
If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth?

7/9
1/3
11/13
5/4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

5/4

Number System
The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers?

7/32
1/35
35/8
12/35

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.

Number System
4550 ÷ 25% of ? = 130

125
130
140
135

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140

Number System
(4300731) - ? = 2535618

1765113
1865113
1675123
1775123

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
√343 = ?

21
18
19
20

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = √343 = 18

Number System
(4 86%of 6500) ÷ 36 =?

777.5
977.5
677.5
877.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

877.5

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