Class 6

Playing with Numbers question bank (Mathematics)

Practice 71 free Class 6 Mathematics - Playing with Numbers questions with answers and step-by-step solutions.

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Q1.

Which of the following pairs of numbers are co-prime?


(A)
$15$ and $35$
(B)
$30$ and $415$
(C)
$18$ and $35$
(D)
$17$ and $68$
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Q2.

Three bells toll together at intervals of $9, 12,$ and $15$ minutes respectively. If they toll together now, after how much time will they toll together next?


(A)
$60$ minutes
(B)
$180$ minutes ($3$ hours)
(C)
$120$ minutes ($2$ hours)
(D)
$360$ minutes ($6$ hours)
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