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Number System

Number System
What should come in the place of question mark (?) in the number series given below?

160
159
158
157

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

160

Number System
If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is:

83/77
93/77
73/77
77/73

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

73/77

Number System
20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ?

6080
6000
5976
5800

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080

Number System
Of an amount, 20% of 25% of 30% is Rs 75. Then what is the original amount ?

Rs. 4000
Rs. 2000
Rs. 5000
Rs. 3000

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the amount be x.∴ X x 20/100 x 25/100 x 30/100 = 75∴ X = 75 x 5 x 4 x 10/3  = 5000

Number System
728.038 x 54.978 - 72.016 x 85.250 = ?

43900
23900
33900
53900

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900

Number System
What is the sum of all the numbers between 300 and 1000 which are divisible by 179?

2527
2517
2506
2607

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506

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