Table of Contents
REAL NUMBERS CLASS 10 CBSE
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(a) 1
(b) 2
(c) 3
(d) 4
12. The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds. If they change simultaneously at 7 a.m., after what time will they change again simultaneously?
(a)7.07 : 12am
(b) 7.15 am
(c) 8 : 00 am
(d) None of these
13. If LCM and HCF of two numbers are 2079 and 27 respectively, one number is 189, then second number is:
(a) 297
(b) 397
(c) 5103
(d) none of these
14. A rational number p/q
15. A fruitseller wants to stack oranges and bananas in such a way that each stack has the same number and they take up least area of the tray . What is the number that can be placed in each stack for this purpose,if there are 480 oranges and 186 bananas?
(a)12
(b)6
(c)8
(d) 58
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