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Number System

Number System
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:

30
20
None of these
40

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

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.148148148 ....

Number System
On dividing a number by 68, we get 269 as quotient and 0 as remainder. On dividing the same number by 67, what will be the remainder?

2
0
1
3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number = 269 * 68 + 0 = 1829267) 18292 (273       18291         --------                1Required number = 1.

Number System
What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227

210
204
234
222

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Avg  = 173 + 192 + 198 + 204 + 211 + 223 + 227/7        = 1428/7        = 204

Number System
64% of 2650+40% 0f 320=?

1247
1824
1578
2096

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1824

Number System
If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ?

652
692
689
678

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652

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