Welcome to your Junior Teacher Practice Set-9(Math)
This practice set contains 29 question .
Practice Set କେମିତି ଲଗିଲା comment ରେ ଜଣାଅ
1.
If the LCM of a and 18 is 36 and the HCF of a and 18 is 2, then a =
2.
Which of the following rational numbers have terminating decimal ?
3.
The decimal expansion of 178 will terminate after how many places of decimals?
4.
Euclid’s division lemma states that for two positive integers a and b, there exist unique integers q and r such that a = bq + r, where r must satisfy
5.
The least number that is divisible by all the numbers from 1 to 10 (both inclusive) is
6.
If HCF (a, b) = 12 and a × b = 1800 then LCM (a, b) is
7.
Given that LCM of (91, 26) = 182 then HCF (91, 26) is
8.
The largest number which divides 70 and 125, leaving remainders 5 and 8, respectively, is
9.
For some integer q, every odd integer is of the form
10.
If the LCM of 12 and 42 is 10 m + 4 then the value of m is
11.
If A = 2n + 13, B = n + 7 where n is a natural number then HCF of A and B
12.
For any positive integer a and b, there exist unique integers q and r such that a = 3q + r, where r must satisfy.
13.
The smallest rational number by which 1/3 should be multiplied so that its decimal expansion terminates after one place of decimal, is
14.
If the sum of LCM and HCF of two numbers is 1260 and their LCM is 900 more than their HCF, then the product of two numbers is
15.
If n is a natural number, then exactly one of numbers n, n + 2 and n + 1 must be a multiple of
16.
The LCM of two numbersls 1200. Which of the following cannot be their HCF ?
17.
If HCF (26, 169) = 13, then LCM (26, 169) =
18.
The LCM and HCF of two rational numbers are equal, then the numbers must be
19.
If HCF of 55 and 99 is expressible in the form 55 m – 99, then the value of m:
20.
The sum of the exponents of the prime factors in the prime factorisation of 196, is
21.
The remainder when the square of any prime number greater than 3 is divided by 6, is
22.
The decimal expansion of the rational number 14587/1250 will terminate after:
23.
The exponent of 2 in the prime factorisation of 144, is
24.
The HCF of 95 and 152, is
25.
The LCM of 2.5, 0.5 and 0.175 is
26.
The decimal expansion of n is
27.
The smallest number by which √27 should be multiplied so as to get a rational number is
28.
For some integer m, every even integer is of the form
29.
If 3 is the least prime factor of number a and 7 is the least prime factor of number b, then the least prime factor of a + b, is
