1.
If HCF (a, b) = 12 and a × b = 1800 , then LCM (a, b) is equal to :
2.
For given positive integers a and b, there exist unique whole numbers q and r such that:
3.
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4.
A rational number p/q has a terminating decimal expansion, then q is of the form:
5.
Which of the following rational numbers has non-terminating repeating decimal expansion?
6.
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?
7.
If m is the HCF of 56 and 72 satisfying m = 56x + 72 y, then values of x and y are:
8.
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9.
There are 32 students in section A and 36 students in section B of class X of a school, then the minimum number of books required for the library so that they can be distributed equally among the students of section A or section B is:
10.
If the HCF of 26 and 65 is expressed in the form 26x - 65 then value of x is :
11.
The greatest number which divides 445, 572 and 699 leaving remainders 4, 5 and 6 respectively is:
12.
The least number that is divisible by all the numbers from 1 to 10 is:
13.
If LCM and HCF of two numbers are 2079 and 27 respectively, one number is 189, then second number is:
14.
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?
15.
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