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Subject: Basic Numeracy

Topic: HCF & LCM

1. The traffic lights at three different road crossings change after every 48,72 and 108 s respectively. If they change simultaneously at 9 am,at what time will they change again simultaneously.

(a) 10 min 10 s

(b) 7 min 12 s

(c) 7 min 10 s

(d) 12 min 10 s

2. Find the smallest four digit number that is exactly divisible by 8,10 and 12.

(a) 1080

(b) 1100

(c) 1050

(d) 1120

3. If 43p is divisible by 3, then what is the largest value p can take ?

(a) 8

(b) 2

(c) 5

(d) 0

4. Among how many students, 175 bananas and 105 oranges can be equally divided ?

(a) 5

(b) 7

(c) 35

(d) All of these

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