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Number System

Number System
6.4 x 8.5 x 25/3.2 x 12.5 = ?

5.6
2.3
4.5
3.4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4

Number System
17580 x 1.8 - 13720 x 2.1 = ? x 2.4

1180
1140
1160
1120

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180

Number System
What least number should be added to 8602 to make it a perfect square ?

51
41
36
47

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47

Number System
(12)² - (4.4)² - (0.04)² = ?

125.6384
131.6384
124.6384
129.6384

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384

Number System
Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number

24
18
32
None

ANSWER DOWNLOAD EXAMIANS APP

Number System
9 3/4 + 7 2/17 - 9 1/15 = ?

7 817/1020
7 719/1020
9 817/1020
9 719/1020

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020

MORE MCQ ON Number System

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