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Number System

Number System
What is 846 times 323 ?

264258
283298
293798
273258

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

846 x 323 = 273258

Number System
5358 * 51 = ?

273258
273268
273358
273348

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
{(742)² ÷ 36} ÷ 2 = ?

423.5
420.5
421.5
422.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = (174 x 174/36) ÷ 2 = 841/2 = 420.5

Number System
(4300731) - ? = 2535618

1865113
1775123
1765113
1675123

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113

Number System
If the difference between the squares of two consecutive numbers is 47, what is the smaller number ?

23
25
24
26

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23

Number System
Supply the missing figure : 1, 4, 9, 16, 25 .... 49

23
42
16
36

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

36

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