Number System SSC CGL Math Project 400 Questions

Number System SSC CGL Math Project 400 Questions

About Project 400 Questions.

I will post 400 MCQ on Maths for SSC-CGL. These 400 questions are unique. There are variety questions. I will call these questions as “Project 400 Questions”. These questions are developed on the basis of research. If any SSC CGL aspirant become proficient in these 400 questions I am sure he will score always 40+ score in maths in tier 1 and 180+ in tier 2. Keep in mind along with these representative questions a lot of practice is required.

About Number System

I am posting 20 varieties questions on ‘Number System’. This is considered as important chapter. Generally 4-5 questions can be asked in Tier 1 and 8-10 in Tier 2. This chapter will have direct link with other chapters also.

Number System

Number System SSC CGL Math Project 400 Questions

Number System

Q1. 1/5 of a number exceeds 1/7 of the same number by 10. The number is:

a) 125                    b) 150      c) 175                  d) 200

Q2. Two numbers differ by 5. If their product is 336, the sum of the two numbers is:

a) 21      b) 28      c) 37       d) 51

Q3. Sum of two numbers is 40 and their product is 375. What will be the sum of their reciprocals?

a) 8/75  b) 1/40  c) 75/8    d) 75/4

Q4. Which of the following fractions is the smallest?

a) 9/13   b) 17/26              c) 28/29                d) 33/52

Q5. A number when divided by 899 gives a remainder 63. If the same number is divided by 29. The remainder will be:

a) 10      b) 5        c) 4         d) 2

Q6. The smallest number to be added to 1000, so that 45 divides the sum exactly is:

a) 35      b) 80      c) 20       d) 10

Number System
Q7. A six digit number is formed by repeating a three digit number; for example, 256, 256 or 678, 678 etc. Any number of this form is always exactly divisible by:

a) 7 only               b) 11 only            c) 13 only             d) 1001

Q8. The sum of three consecutive odd natural numbers is 147, then, the middle number is:

a) 47      b) 48      c) 49       d) 51

Q9. The sum of all natural numbers between 100 and 200, which are multiples of 3 is:

a) 5000     b) 4950              c) 4980   d) 4900

Q10. How many digits in all are required to write numbers from 1 to 50? a) 100    b) 92      c) 91       d) 50

Number System

Q11. A number of friends decided to go on picnic and planned to spend Rs 108 on eatables. Three of them however did not turn up. As a consequence each one of the remaining had to contribute Rs 3 extra. The number of them who attended the picnic was:

a) 15      b) 12      c) 9         d) 6

Q12. The divisor is 25 times the quotient and 5 times the remainder. If the quotient is 16, the dividend is:

a) 6400  b) 6480 c) 400    d) 480

Q13. In a test, 1 mark is awarded for each correct answer and one mark is deducted for each wrong answer. If a boy answers all 20 items of the test and gets 8 marks, the number of questions answered correct by him was:

a) 16      b) 14      c) 12       d) 8

Q14. Of the three numbers, the second is twice the first and it is also thrice the third. If the average of three numbers is 44, the difference of the first number and the third number is:

a) 24      b) 18      c) 12       d) 6

Q15. A number when divided successively by 4 and 5 leaves remainders 1 and 4 respectively. When it is successively divided by 5 and 4 the respective remainders will be

a) 4,1     b) 3,2     c) 2,3     d) 1,2

Q16: The digit in unit’s place of the product 81 \times \!\, 82 \times \!\, 83 … …\times \!\, 89 is

a) 0         b) 2        c) 6         d) 8

Q 17. The sum of first sixty numbers from one to sixty is divisible by

a) 13      b) 59      c) 60       d) 61

Q18. The digit in the unit’s place of the product

 (2464)1793     \times \!\,    (615)317   \times \!\,    (131)491   is

a) 0       b) 2       c) 3            d) 5

Q19.  (719 + 2) is divided by 6, the remainder is:

a) 5         b) 3        c) 2         d) 1

Q20.   0.39393939………. is equal to

a) 39/100             b) 13/33               c) 93/100              d) 39/990

Number System
Number System SSC CGL Math Project 400 Questions: Answer Key


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