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Number System

Number System
1256+4813+765=?

6839
6834
6836
6831

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1256+4813+765= 6069+765=6834

Number System
When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number?

103
97
99
101

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.

Number System
Let R = qs—4. When s=8, R=16. When s=10, R is equal to

23
22
21
20

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

21

Number System
(2560 x 1.4) +(7400 x 0.6) =?

7234
9160
8024
6543

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8024

Number System
A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least

120
30
60
240

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The least number of trees that are required = LCM(4, 5, 6) = 60.

Number System
Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5.

197
219
187
207

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.

MORE MCQ ON Number System

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