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Number System

Number System
If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for

CAR
BAT
CAT
BED

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

BED

Number System
The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is:

12
10
16
15

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be x and (22 - x). Then,5x = 6(22 - x) 11x = 132 => x = 12So, the numbers are 12 and 10.

Number System
If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ?

82
84
81
83

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x² - (17*17*17)  = 2143or x² = 2143 + 4913 = 7056∴ x = 84

Number System
I. 3x2-14x + 8 = 0 II. 2y2 - 1 7 y + 36 = 0

if x > y
if x >= y
if x <= y
if x < y

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

l. 3x2 - 12x - 2x + 8 = 0or 3x(x - 4) -2 (x -4) = 0∴ x = 4, 2/3ll. 2y2 - 8y - 9y + 36 = 0or 2y (y - 4) -9 (y - 4) = 0or (2y - 9) (y - 4) = 0∴ y = 4, 9/2

Number System
Find the nearest to 25268 which is exactly divisible by 467?

25228
25218
25208
25308

ANSWER DOWNLOAD EXAMIANS APP

Number System
ind the number, difference between number and its 3/5 is 50

120
123
125
124

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125

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