Quant Quiz “Number system” for SSC CGL 2016

Q1. A five digit number is made using digits 2, 8, 4, 7 and 6. Is the number divisible by 9?
(a) Yes
(b) No
(c) Can’t say
(d) None of these

Q3. The LCM of two numbers is 1680 and their HCF is 120. If one number is 504, find the other number.
(a) 204
(b) 320
(c) 400
(d) 560

Q4. Consider the following statements related to three numbers i.e. 24984, 26784 and 28584 are
I. They are divisible by 3
II. They are divisible by 4
III. They are divisible by 9.
Which of these are correct?
(a) All 3
(b) Only I and II
(c) Only II and III
(d) Only I and III

Q5. The HCF and LCM of two numbers are 12 and 72 respectively. If the sum of two numbers is 60, then one of the two numbers will be
(a) 12
(b) 24
(c) 50
(d) 72

Q6. If two numbers are in the ratio 6 :13 and their least common multiple is 312, then what is the sum of numbers?
(a) 57
(b) 67
(c) 75
(d) 76

Q7. When n is divided by 4, the remainder is 3. What is the remainder when 2n is divided by 4?
(a) 1
(b) 3
(c) 2
(d) None of these

Q8. Find the smallest number required to be added to 2000 to get a number exactly divisible by 17.
(a) 6
(b) 4
(c) 2
(d) 3

Q9. Two numbers are in the ratio 3: 4, and their LCM is 108. Find their HCF.
(a) 9
(b) 8
(c) 6
(d) 5

Q10. A number P4571203K is divisible by 18. Which of the following values can P and K take?
(a) 1, 2
(b) 2, 3
(c) 3, 3
(d) 6, 8

Q11. Find the least number which when divided by 12, 15, 20 and 35 leaves a remainder 6 in each case?
(a) 216
(b) 426
(c) 846
(d) None of these

Q14. Four bells ring together. If the bells ring at intervals of 2, 5, 8 and 10 second respectively, after what interval of time will they ring together again?
(a) 40 second
(b) 25 second
(c) 30 second
(d) 35 second

Q15. What is the LCM of these three numbers 3/4,5/6  &7/8?
(a) 105/2 
(b) 108/4
(c) 1/64
(d) None of these 

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