SSC CGL (LCM & HCF) QUANT QUIZ

Question 1:

Find the HCF of $\frac{5}{6}, \frac{6}{7}$, and $\frac{7}{8}$

$\frac{1}{166}$

$\frac{1}{167}$

$\frac{1}{168}$

$\frac{1}{169}$

Question 2:

The HCF of two co-prime numbers is:

2

0

The product of the co-primes

1

Question 3:

What is the greatest 5-digit number which on being divided by 3, 5, 6 and 9 leaves remainders 1, 3, 4 and 7 , respectively?

99999

99990

99988

99992

Question 4:

The LCM and HCF of two numbers are 3564 and 81 , respectively. If the numbers are 324 and $x$, then what is the sum of the digits of $x$ ?

18

17

19

13

Question 5:

If the HCF of 273,312 and 351 is $x$, then the value of $x$ will be between .

25 and 30

35 and 40

40 and 45

30 and 35

Question 6:

The greatest number that will divide 397,435 and 5420 leaving 6,10 and 14 as remainders, respectively, is:

17

21

19

15

Question 7:

Find the least number of five digits which is exactly divisible by 14,30 and 42 .

10220

10040

10100

10080

Question 8:

The sum of the HCF and LCM of 12,15 and 45 is:

183

177

93

87

Question 9:

The sum and the difference of the LCM and HCF of two positive numbers are 148 and 140 , respectively. If one number is 16 , then the other number is

38

34

36

46

Question 10:

What is the HCF of the following fractions?

$\frac{4}{5}, \frac{24}{25}, \frac{16}{35}$

$\frac{4}{5}$

$\frac{48}{175}$

$\frac{4}{175}$

$\frac{48}{5}$