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Number System

Number System
What is the least number, which is perfect square but contains 2700 as its factor?

5400
2700
1800
10800

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

900 * 3 * 3 = 8100

Number System
What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4

37
39
36
38

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37  and 37/7.4 = 5

Number System
If HKUJ means FISH, what does UVCD mean ?

STAK
STAR
STAM
STAB

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

STAB

Number System
When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number?

99
101
103
97

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.

Number System
What is the least number that should be added to 5200 to make it a perfect square ?

129
288
275
225

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.

Number System
(95.6x 910.3) ÷ 92.56256 = 9?

15.54
14.44
12.24
13.34

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

13.34

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