Q : Rizwan has a box in which he kept red and blue marbles. The red marbles and blue marbles were in the ratio 5:4. After he Lost 5 red marbles the ratio become 10:9. How many marbles does he have now?
(A) 86
(B) 92
(C) 101
(D) 76
If A : B= 3:4, B: C = 2:3 then A+B : B+C: C+A =?
(A) 5 :6 :7
(B) 7 : 10 :9
(C) 7 : 5 :6
(D) 3 : 4 :6
If 4A=6B =5C; then A:B:C is
(A) 20 : 15 : 24
(B) 15 :10 :12
(C) 15 : 20 :24
(D) 24 : 20 :15
The monthly income of two persons are in the ratio 2 : 3 and their monthly expenses are in the ratio 5 : 9. If each of them saves ₹600 per month, then their monthly incomes are
(A) ₹ 1,600 : ₹ 2,400
(B) ₹ 1,400 : ₹ 2,100
(C) ₹ 1,500 : ₹ 2,2250
(D) ₹ 1,200 : ₹ 1,800
The students in three classes are in the ratio 2 : 3 : 5. If 20 students are increased in each class, the ratio changes to 4 : 5 : 7 . originally the total number of students was:
(A) 100
(B) 150
(C) 50
(D) 90
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