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Number System

Number System
The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number?

39
49
69
59

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

39

Number System
{(742)² ÷ 36} ÷ 2 = ?

421.5
423.5
422.5
420.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
What is 50% of 40% of Rs. 3,450?

670
640
690
630

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

40% * 3450 = 1380then, 50 % * 1380 = 690

Number System
What is the difference between the largest and the smallest number written with 7, 7, 0, 7?

6093
6993
6893
693

ANSWER DOWNLOAD EXAMIANS APP

Number System
ind the number, difference between number and its 3/5 is 50

124
125
123
120

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125

Number System
0.333 .... × 0.444 .... is equal to

0.121212 ....
0.148148148 ....
0.777 ....
1.333 ....

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.148148148 ....

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