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Number System

Number System
50% of 8/15 of 9/4 of 5/3 of 333 = ?

444
555
333
666

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333

Number System
The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is:

1/289
290/289
289
289/290

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289

Number System
93296 - 45874 + 20382 - 56817 = ?

109857
109877
109867
109887

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 113678 - 102691 = 109887

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

95
103
92
99

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number.

97
86
91
94

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

94

Number System
What is 846 times 323 ?

273258
283298
264258
293798

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

846 x 323 = 273258

MORE MCQ ON Number System

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