SSC CHSL MATHS QUIZ

Question 1:

The HCF and product of 2 numbers are 8 and 1536 respectively, The numbers of possible pairs of number is:

3

4

2

5

Question 2:

The LCM of two numbers is 48 the number are in the ratio $2: 3$ the sum of the numbers.

48

40

36

None of these

Question 3:

A number is multiplied by 3,003 and then divided by the LCM of 7,11 and 13 and then divided by itself. Find the result.

1

2

3

4

Question 4:

Six bells start ringing at once, then at intervals of $2,4,6,8,10,12$ seconds. How many times will they ring together in 30 minutes?

4

10

15

16

Question 5:

If the HCF of two numbers is 11 and LCM of the same two numbers is 44 , then the square root of the product of these numbers is:

32

22

12

28

Question 6:

The ratio of two positive numbers is 11: 17 and their HCF is 4. What will be their least common multiple $(\mathrm{LCM})$?

648

784

746

748

Question 7:

If the sum of two numbers is 48 and their HCF and LCM are 4 and 64 respectively.Then sum of the reciprocals of the two numbers will be?

$\frac{3}{16}$

$\frac{3}{19}$

$\frac{4}{7}$

$\frac{3}{11}$

Question 8:

If three numbers are in the ratio of 3: 5: 7 and their LCM is 2415 , what is the difference between the second number and the first number ?

46

92

23

69

Question 9:

The HCF of two number is 89 and their LCM is 2136 . The difference between the two numbers is:-

979

347

445

575

Question 10:

Let x be the greatest 4-digit number which when divided by 9,12,15,20,24 and 72 , leaves a remainder 3 in each case. What is the sum of the digits of x ?

17

21

27

19