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Number System

Number System
(1024—263—233)÷(986—764— 156) =?

10
6
None of these
8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

Number System
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:

None of these
20
30
40

ANSWER DOWNLOAD EXAMIANS APP

Number System
What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3?

43883
43893
43983
70983

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

74330 Largest30347 Smallest-------------43983

Number System
In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is

725
750
775
640

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Failed students are 32% which is 248.∴ Total = 24800/32 = 775

Number System
Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers?

64, 16
65, 15
60, 20
62, 18

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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
1327
1292
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

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