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Number System

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

3360
3260
2360
6460

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number of ways = 8!/3! 2! = 40320/12 = 3360

Number System
?2704 x ?2209=?

3444
4444
1444
2444

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2444

Number System
A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ?

820
525
987
1224

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number of days from Jan 1 to Feb 11th= 31 + 11 = 42 days = 6 weeks∴ Total eggs  =17 x 12 x 6 = 1224

Number System
If three eighth of a number is 141. What will be the approximately value of 32.08% of this number?

120
60
160
90

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x * 3/8 = 141 => x= 376376 * 32.08/100 = 120

Number System
5525 ÷ 17 = √?

93025
99225
105625
112225

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

√? = 5525/17 = 325∴ ? = (325)² = 105625

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

2504
2520
2510
2508

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520

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