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Number System

Number System
What is 432 times 119 ?

51408
50408
52408
53408

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

No. 432 x 119 = 51408

Number System
√360 - 225 x 2 + 379 = ?

20
17
18
19

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = √360 - 225 x 2 + 379 = √360 - 450 + 379 = √289= 17

Number System
4/6 of 6/5 of 5/7 of a number is 96. Find the number.

170
164
168
162

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168

Number System
If x + y = 61 and xy = 888, What is the value of x²+ y² ?

1955
1945
1965
1975

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Because (x + y)²  = x² + y² + 2xy∴ x² + y² = (x + y)² - 2xy∴ x² + y² = (61)² - 2 x 888= 3721 - 1776 = 1945

Number System
486+32×25—59=?

596
582
528
567

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

528

Number System
In how many different ways can the letters of the word CORPORATION be arranged ?

1326400
3326400
2326400
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400

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