SSC CGL MATHS QUIZ

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Question 1:

The ratio of the numbers of boys and girls in a school was 5:3. Some new boys and girls were admitted to the school, in the ratio 5:7.At this, and the total number of students in the school become 3000, and the ratio of boys to girls changed to 7:5. The number of students in the school before new Admission was?

Question 2:

A's salary increases in the ratio $8: 11$. If his new salary is Rs. 33,000 , then what was his original salary (in Rs.)?

Question 3:

In a school, there were $x$ students and the ratio of the number of boys and girls was 6: 7. If 153 more boys joined the school while 135 girls left the school the ratio of boys and girls becomes $5: 4$. Find the value of $x$.

Question 4:

The ratio of boys and girls in a group is 7 : 6 . If 4 more boys join the group and 3 girls leave the group, then the ratio of boys to girls becomes $4: 3$. What is the total number of boys and girls initially in the group ?

Question 5:

A box contains Rs. 56 in the form of coins of one rupee, 50 paise and 25 paise . The number of 50 paise coins is double the mumber of 25 paise coins and four times the number of one rupee coins. How many 50 paise coins are there in the box?

Question 6:

The ratio of present age of Ram and Shivam is $7: 9$ if 12 years ago, the ratio of their ages Was $5: 7$. Then find the ratio of their 10 Years from now?

Question 7:

A sum of Rs. 4,095 is divided between A, B, C and D such that the ratio of the shares of A and B is 1 : 3. That of B and C is 2 : 5 and that of C and D is 2 : 3. What is the difference (in Rs.) between the shares of B and D?

Question 8:

What is the fourth proportion to 391,299 , 204?

Question 9:

The salaries of Ravi and Sumit are in the ratio 4: 5. If the salary of each is increased by ₹ 6,000 the new ratio becomes 35: 40. What will be Sumit's increased salary?

Question 10:

Ajay is 16 years older than Ashok. The ratio of their ages is 5:3 respectively. What is Ajay's age (in years)?