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Number System

Number System
(√6 + 1)² = ? + 2√6

8
5
7
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7

Number System
(1024—263—233)÷(986—764— 156) =?

None of these
8
10
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

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

630
690
670
640

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit?

33
21
17
14

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

12

Number System
7.98 x 3.75 + 1.28 x 15.5 = ?

48.765
46.765
47.765
49.765

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 29.925 + 19.84 = 49.765

Number System
4.78% of 1255 + 3.24% of 440=0.5% of ?

14849
11849
13849
12849

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849

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