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Number System

Number System
576÷ ? x114=8208

9
8
10
11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

Number System
If one third of 3/4 of a number is 21. Then find the number?

63
630
84
840

ANSWER DOWNLOAD EXAMIANS APP

Number System
One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number?

5
3
7
9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x/2 – x/3 = 6=> x =63 + 6 = 9

Number System
If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ?

13
11
17
15

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)²                       = 1394 - 1225                       = 169Therefore, x = √169 = 13

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

BAT
CAT
CAR
BED

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

BED

Number System
1089/? = ?/1296

1188
1278
1348
1082

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188

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