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Number System

Number System
A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?

8
3.5
None of these
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8

Number System
735 chocolates were distributed equally among children in such a way that the number of chocolates received by each child is 60% of the total number of children. How many chocolates did each child rec

18
14
21
16

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number of children be 'x' Therefore, each child will receiveX x 60/100 = 3x/5 chocolates∴ X x 3x/5 = 735∴ x² x 735x5/3 = 1225∴ x = 1225 = 35∴ Number of chocolates = 3x/5 = 21

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
5/4
11/13
1/3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

5/4

Number System
The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ?

24.84
21.84
25.84
27.84

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84

Number System
Look at this series: 1000, 200, 40, ... What number should come next?

2
14
24
8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

This is a simple division series. Each number is divided by 5. Rule = (1st number / 5 = 2nd number) (2nd number / 5 = 3rd number)....Now, (1000 / 5 = 200), (200 / 5 = 40), (40 / 5 = 8)...So answer is a = 8.

Number System
If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number.

97
86
91
94

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

94

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