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# Previous Year Number System Questions for SSC CGL/MTS/CPO Exams

Dear maths lovers, Let your practice begins in minuteness but ends in magnificence.It is impossible to study maths properly by just reading and listening. So, practise, practise & more practise. For that, we are providing here Quant Quiz of 15 questions on Number System Questions in accordance with the syllabus of SSC CGL.We have also provided Study Notes and quizzes on all the topics.

Q1. Find the number of divisors of N = 420.
(a) 24
(b) 26
(c) 20
(d) 16

Q2. Find the number of prime factors and composite factors of N = 420?
(a) 4 and 19
(b) 4 and 20
(c) 3 and 19
(d) 5 and 20

Q3. When a number N is divided successively by 3 and 5, the remainder obtained are 1 and 2 respectively. What is the remainder when N is divided by 15?
(a) 7
(b) 8
(c) 5
(d) 9

Q9. By multiplying with which of the following numbers does the product of 8 × 9 × 10 × 11 × 12 become a perfect square?
(a) 55
(b) 11
(c) 165
(d) 310

Q12. LCM of two natural numbers is 590 and their HCF is 59. How many sets of values are possible?
(a) 1
(b) 2
(c) 5
(d) 10

Q13. HCF of two numbers A and B is 24. HCF of two other numbers C and D is 36. What will be the HCF of A, B, C and D?
(a) 12
(b) 24
(c) 36
(d) 6

Q14. What is the remainder when (1! + 2! + 3! + …….+1000!) is divided by 5?
(a) 1
(b) 2
(c) 3
(d) 4

Q15. A mule said to a horse, “If I take one sack off your back, my load will be double of yours and if you take one off my back our loads will be the same.” How many sacks in all were they carrying?
(a) 5
(b) 7
(c) 12
(d) 14

Solutions

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