Ratio and Proportion

ABC26GN2908 · If 10% of x is equal to 20% of y, then find x: y.

ABC26GN2959 · The total number of students in a school is 2140. If the number of girls in the school is 1200, then what is the ratio of the total number… · 2009

ABC26GN2909 · A man spends ` 500 in buying 12 tables and chairs. The cost of one table is ` 50 and that of one chair is ` 40. What is the ratio of the…

ABC26GN2910 · If 7 : x = 17.5 : 22.5, then find the value of x. (Bank P.O., 2007) · 2007

ABC26GN3131 · Three numbers A, B and C are in the ratio 1 : 2 : 3. Their average is 600. If A is increased by 10% and B is decreased by 20%, then to get…

ABC26GN2911 · If 20% of (P + Q) = 50% of (P – Q), then find P : Q.

ABC26GN2912 · If 30% of A = 0.25 of B = 1/5 of C, then find A : B : C.

ABC26GN2913 · If 2 x2-7 x y+3 y2=0, then find the value of x: y.

ABC26GN2965 · What is the ratio in ₹ 2.80 and 40 paise?

ABC26GN2966 · Which of the following is the ratio between a number and the number obtained by adding one-fifth of that number to it?

ABC26GN2916 · If m: n=3: 2, then find the ratio (4 m+5 n):(4 m-5 n). (S.S.C., 2007, 2008)

ABC26GN2967 · A person spends ₹ 8100 in buying some tables at ₹ 1200 each and some chairs at ₹ 300 each. The ratio of the number of chairs to that of… · 2005

ABC26GN2968 · If 60% of A=3/4 of B, then A: B is · 2010

ABC26GN2918 · If (x+y):(x-y)=7: 3, then find the ratio (x3+y3): (x3-y3).

ABC26GN2969 · If 2/3 A=75% of B, then A: B is

ABC26GN2919 · If a: 5=b: 7=c: 8, then (a+b+c)/a= ?

ABC26GN2920 · If p : q = r : s = t : u = 2 : 3, then find (mp + nr + ot) : (mq + ns + ou). p r t 2 2q 2s 2u

ABC26GN2971 · A jar contains black and white marbles. If there are ten marbles in the jar, then which of the following could not be the ratio of black to…

ABC26GN2972 · The ratio of boys and girls in a club is 3 : 2. Which of the following could be the actual number of members?

ABC26GN2922 · Find two numbers such that their mean proportional is 6 and third proportional 20.25.

ABC26GN2973 · Which of the following is the lowest ratio? · 2005

ABC26GN2923 · When 20% of a number is added to another number the number increases by 50%. What is the respective ratio between the first and the second…

ABC26GN2974 · If 5 : a:: 20: 28, then a is equal to

ABC26GN2924 · In a class the ratio of female students to male students is 16 : 9. What percentage of the class is female? · 2006

ABC26GN2975 · 3/4: 1/2:: 27 y: ? · 2007

ABC26GN2925 · If A exceeds B by 40%, B is less than C by 20%, then find A : C.

ABC26GN2976 · If x: 7.5=7: 17.5, the value of x is

ABC26GN2926 · Divide the number 455 in the ratio 4 : 3. (L.I.C.A.D.O., 2008)

ABC26GN2977 · The value of x where x: 2 1/3:: 21: 50 is

ABC26GN2978 · If (x+1): 8=3.75: 7, then the value of x is

ABC26GN2979 · If √(2):(1+√(3)):: √(6): x, then x is equal to

ABC26GN2980 · What will be the simplest form of the ratio 3 hours: 1 day? · 2006

ABC26GN2981 · The simplest form of the ratio 1.5 : 2.5 is

ABC26GN2984 · In a proportion the product of 1st and 4th terms is 40 and that of 2nd and 3rd terms is 2.5x. Then the value of x is · 2007

ABC26GN2934 · The ratio of incomes of A and B is 3 : 4. The ratio of their expenditures is 4 : 5. Find the ratio of their savings if the savings of A is…

ABC26GN2985 · If 20% of A=30% of B=1/6 of C, then A: B: C is · 2007

ABC26GN2987 · If x=1/3 y and y=1/2 z, then x: y: z is equal to

ABC26GN2937 · What must be added to each term of the ratio 7 : 11 so as to make it equal to 3 : 4? · 2010

ABC26GN2988 · If 2 A=3 B=4 C, then A: B: C is equal to

ABC26GN2938 · What should be subtracted from 15, 28, 20 and 38 so that the remaining numbers may be proportional? (M.A.T., 2009)

ABC26GN2991 · If a: b=7: 9 and b: c=15: 7, then what is a: c ?

ABC26GN2941 · The ages of Chinmay and Maulik are in the ratio of 5 : 2 respectively. After 7 years, the ratio of their ages will be 4 : 3. What is the… · 2007

ABC26GN2992 · If the ratio between the ages of P and Q is 2 : 3 and that between the ages of Q and R is 4 : 5, then the ratio between the ages of P and R…

ABC26GN2993 · If W1: W2=2: 3 and W1: W3=1: 2, then W2 : W3 is · 2010

ABC26GN2943 · If m is proportional to n and m = 5 when n = 4, then what is the value of m when n = 18?

ABC26GN2994 · If A: B=2: 3, B: C=2: 4 and C: D=2: 5, then A: D is equal to · 2007

ABC26GN2995 · If 3 A=5 B and 4 B=6 C, then A: C is equal to

ABC26GN2945 · The time of oscillation of a pendulum varies as the square root of its length. If a pendulum of length 40 cm oscillates once in a second…

ABC26GN2996 · If one star equals four circles and three circles equal four diamonds, then what is the ratio of star to diamond?

ABC26GN2946 · The ratio of the number of students studying in schools A, B and C is 6 : 8 : 7 respectively. If the number of students studying in each of… · 2008