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Number System

Number System
7432 ÷ 32 x ? = 2787

78
41
12
21

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12

Number System
What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ?

78
77
76
75

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The series is: +9, +11, +13, +15, +17

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.

91
97
94
86

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

94

Number System
7.98 x 3.75 + 1.28 x 15.5 = ?

49.765
48.765
47.765
46.765

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 29.925 + 19.84 = 49.765

Number System
The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ?

Rs. 800
Rs. 830
Rs. 820
Rs. 810

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the price of a pen be 'x' and that of pencil be 'y' Then 87x + 29y = 783Multiplying eqn (i) by 30/29 we get (87x) x 30/29  + (29y) 30/29 = 783 x 30/29∴ 90x + 30y = 810

Number System
666 / 6 / 3 = ?

111
333
84
37

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

666 * 1/6 * 1/3 = 37

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