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Number System

Number System
In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend?

5553
55053
56053
50553

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

120 * 456 + 333 = 55053

Number System
What is the value of ? in the following equations ? 72/? = ?/50

60
40
100
80

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60

Number System
The difference between 68% of a number and 35% of the same number is 1216. What is 28% of the number ?

1037.75
1043.75
1027.75
1031.75

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the no. be xTherefore 68x / 100 - 35x / 100 = 1216      Therefore x = 1216 x 100 / 33Therefore 28% of x = 28x / 100 = 1216 x 100 / 33 x 28 / 100= 1216 x 100 x 28 / 33 x 1/100 = 1031.75

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

85
83
80
77

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
Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number

24
32
None
18

ANSWER DOWNLOAD EXAMIANS APP

Number System
63.602 + 153.756 + 94.754 - 84.321 - 122.204 = ?

140.587
141.587
143.587
142.587

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 312.112 - 170.525 = 141.587

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