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Number System

Number System
(444 x 44 x 4) ÷ 40 ?

1953.6
1853.6
2053.6
2153.6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 444 x 44 x 4/40 = 1953.6

Number System
If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ?

9
7
10
8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9

Number System
A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number?

24
84
42
21

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2/3 x = 28 => x = 4242 * 1/2 = 21

Number System
What should come in the place of question mark (?) in the number series given below?

158
160
159
157

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

160

Number System
What is the sum of all the composite numbers up to 20?

131
132
130
128

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132

Number System
35 + 15 * 1.5 = ?

75
51.5
57.5
5.25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5

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