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Number System

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

5400
1800
2700
10800

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

900 * 3 * 3 = 8100

Number System
Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5.

207
187
219
197

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.

Number System
(12.04 x 7.5 + 0.8 x 45) ÷ 3 = ?

54.7
42.6
45
42.1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(90.3 + 36) ÷ 3 = 126.3/3 = 42.1

Number System
7.8% of 12.5 + 2.5% of 161 = ?

5
12
9
2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5

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

STAM
STAK
STAB
STAR

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

STAB

Number System
√360 - 225 x 2 + 379 = ?

19
18
20
17

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = √360 - 225 x 2 + 379 = √360 - 450 + 379 = √289= 17

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