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Number System

Number System
1827÷ 36 x ?=162.4

2.6
1.9
4.3
3.2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3.2

Number System
The product of two consecutive odd numbers is 6723. Find is the greater number.

85
77
80
83

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the first odd number be x.Then, the other odd number would be x + 2.∴ x(x+2) = 6723= x2 + 2x = 6723= x2 + 2x = 6723= x2 + 2x - 6723 = 0= x2 + 83 - 81 x - 6723 = 0= x(x+83) - 81 (x + 83) = 0= (x + 83) (x - 81) = 0= (x + 83) (x - 81) = 0= x - 81 = 0∴ x = 81Hence, greater number = x + 2 = 81 + 2 = 83

Number System
If 5/7 of a number is 145, what is 180% of that number ?

345.4
375.4
355.4
365.4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4

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

3260
3360
6460
2360

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
(95.6x 910.3) ÷ 92.56256 = 9?

15.54
14.44
13.34
12.24

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

13.34

Number System
106 * 106 - 94 * 94 = ?

2000
2400
1904
1906

ANSWER DOWNLOAD EXAMIANS APP
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