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NUMBER SYSTEM

Number System
Find the smallest number which should be multiplied with 520 to make it a perfect square.

None of these
55
30
120

ANSWER DOWNLOAD EXAMIANS APP

Number System
Find the least number with which 16200 should be multiplied, to make it a perfect cube.

48
36
360
45

ANSWER DOWNLOAD EXAMIANS APP

Number System
If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers.

30
25
50
125

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.

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

240
30
120
60

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case.

388
391
386
384

ANSWER DOWNLOAD EXAMIANS APP
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