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Number System

Number System
Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ?

325
525
425
625

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

625

Number System
Find the least number with which 16200 should be multiplied, to make it a perfect cube.

45
48
360
36

ANSWER DOWNLOAD EXAMIANS APP

Number System
Four-fifth of a number is 10 more than two-third of the same number. What is the number?

75
91
35
89

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

75

Number System
?2704 x ?2209=?

3444
4444
2444
1444

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2444

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.

86
94
91
97

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

94

Number System
The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ?

4098
1456
3016
2871

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016

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