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Number System

Number System
In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is:

5336
6890
2568
9865

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

5336

Number System
In how many different ways can the letters of the word "MOBILIZE" be arranged ?

17453
20160
19765
18456

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160

Number System
What least number shall be added to 4700 to make it a perfect square ?

71
81
61
91

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.

Number System
√343 = ?

21
19
20
18

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = √343 = 18

Number System
Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is:

4
5
6
10

ANSWER DOWNLOAD EXAMIANS APP

Number System
(164 x 175) x ? = 258300

5
11
9
2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 258300 / 164 x 175 = 9

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