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Number System

Number System
Find the number which multiplied by 15 is increased by 196.

26
14
28
20

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x. Then,15x - x = 196x = 14

Number System
Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number

5
15
7.5
4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5

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
The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ?

1468
1292
1327
1168

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

A + B + C + D + E + F + G/7 = 36Therefore, D = 36Therefore, C = 34,                             E = 38Therefore, Product = 34 x 38 = 1292

Number System
Which is the largest fraction among the following ?

24/25
12/13
21/22
21/23

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96

Number System
If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth?

7/9
5/4
11/13
1/3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

5/4

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