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Number System

Number System
What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4?

6184
6048
5084
6084

ANSWER DOWNLOAD EXAMIANS APP

Number System
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:

40
30
20
None of these

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Number System
If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is:

40
88
44
80

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40

Number System
How many words can be made using the letters of the word "BHAG WADGITA" if all the vowels come together and all the consonants come together ?

20160
10160
40160
30160

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

No. of words = l2  l4  l7  / l3  l2  = 20160

Number System
(2560 x 1.4) +(7400 x 0.6) =?

7234
6543
9160
8024

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8024

Number System
65% of 320+?=686

481
478
479
480

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

65% of 320+?=686 208+?=686?=686-208?=478

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