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Number System

Number System
Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers?

62, 18
60, 20
65, 15
64, 16

ANSWER DOWNLOAD EXAMIANS APP

Number System
Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?

160
240
140
180

ANSWER DOWNLOAD EXAMIANS APP

Number System
If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ?

92
99
103
95

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801  Therefore, x = 99

Number System
5358 * 51 = ?

273358
273258
273348
273268

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258

Number System
(3² x 4² x 5) ÷ 36 = (?)² - 80

16
10
12
14

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10

Number System
If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer?

None of these
2675
2875
2725

ANSWER DOWNLOAD EXAMIANS APP
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