There are 1-2 Ratio and Proportion Questions will be asked in SSC CGL Tier 1. Below are the Questions asked in SSC CGL Tier 1 Exam.
Questions
1. If A : B = 2 : 3, B : C = 4:5 and C : D = 6 : 7, then find the value of A : B : C : D
15 : 30 : 34 : 40
16 : 24 : 30 : 35
17 : 24 : 30 : 35
18 : 24 : 30 : 35
Answer: B2. Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs.4000, the new ratio becomes 40 : 57. What is Sumit present salary.
30000
32000
35000
38000
Answer: D3. In a college, the ratio of the number of boys to girls is 8 : 5. If there are 200 girls, the total number of students in the college is
420
520
620
720
Answer: B4. Gold is 15 times as heavy as water and copper is 7 times as heavy as water in what ratio should these be mixed to get an alloy 13 times as heavy as water?
1 : 3
3 : 1
1 : 2
2 : 1
Answer: B5. 48% of the first number is 60% of the second number. What is the ratio of the first number to the second number?
5 : 4
1 : 2
3 : 4
4 : 7
Answer: A6. The numbers x, y, z are respectively proportional to 2, 3, 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax – 8, then a is
2
3
5
6
Answer: B7. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is
2 : 5
3 : 5
4 : 5
6 : 5
Answer: C8. The salaries of A, B and C are of ratio 2:3:5. If the increments of 15%, 10% and 20% are done to their respective salaries, then find the new ratio of their salaries.
23 : 33 : 60
23 : 30 : 40
20 : 30 : 42
12 : 30 : 21
Answer: A9. If three numbers in the ratio 3 : 2 : 5 be such that the sum of their squares is 1862, the middle number will be
10
12
14
16
Answer: C10. A dog takes 3 leaps for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is
9 : 5
4 : 5
9 : 2
8 : 5
Answer: A11. Seats for Maths, English and General Knowledge are in the ratio of 5 : 7 : 8 respectively. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the respective ratio of increased seats?
2 : 3 : 4
6 : 7 : 8
6 : 8 : 9
None of these
Answer: A12. What must be added to each term of the ratio 2 : 5 so that it may equal to 5 : 6?
12
13
14
15
Answer: B13. 60 percent of first number is equal to 40 percent of the second number. What is the respective ratio of the first number to the second number?
2 : 3
21 : 31
1 : 2
7 : 10
Answer: A14. Find the fourth proportion to 2, 3, 6
7
8
9
10
Answer: C15. If 2 : 9 :: x : 18, then find the value of x
2
3
4
5
Answer: C16. If a : b = 2:3 and b : c = 4 : 3, then find a : b : c
8 : 9 : 10
8 : 12 : 9
8 : 9 : 11
8 : 10 : 12
Answer: B17. Rs. 120 are divided among A, B, C such that A's share is Rs. 20 more than B's and Rs. 20 less than C's. What is B's share
Rs. 10
Rs. 20
Rs. 30
Rs. 40
Answer: B18. Zinc and copper are in the ratio 5 : 3 in 400 gm of an alloy. How much of copper (in grams) should be added to make the ratio 5 : 4?
50
60
70
80
Answer: A19. In a certain school, the ratio of boys to girls is 7 : 5. If there are 2400 students in the school, then how many girls are there?
500
1000
1500
2000
Answer: B20. Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B is