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Number System

Number System
?125÷5x ?=6265

1452
124
153
1253

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1253

Number System
96% of a number is 19584. What is 56% of that number ?

11224
11324
11524
11424

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.According to the question.96% of x = 19584= x = 1958 x 100/96 = 20400∴ 56% of 20400= 20400 x 56/100= 11424

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
5976
6000
5800

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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

820
1224
987
525

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 one-seventh of a number is 55 then 40% of that number = ?

154
163
171
147

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the no. be x ,             Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154

Number System
What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227

234
210
204
222

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Avg  = 173 + 192 + 198 + 204 + 211 + 223 + 227/7        = 1428/7        = 204

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