Q : A, B, and C alone can do a work in 40 days ,120 days and 36 days respectively. A and B work together for 20 days and leave it incomplete. C carries on the work and complete it alone. How many days did C take to complete the work?
(A) 18
(B) 12
(C) 20
(D) 16
A and B together can complete a work in 21 days. If A takes 42 days to complete the work alone, how many days will B take to complete the same work alone?
(A) 32
(B) 42
(C) 27
(D) 36
If one number is 50 percent less than X and the other numbers are 20 percent less than X. What is the ratio of both the numbers?
(A) 5 : 8
(B) 2 : 3
(C) 3 : 8
(D) 3 : 5
If A: B=3: 4, B:C =2:3 then what is the value of A +B: B+C: C+A?
(A) 5 :6 :7
(B) 7 : 10 : 9
(C) 7 : 5: 6
(D) 3 : 4 : 6
A student scored 32 percent and failed by 8 Marks. If he had scored 36 percent marks, he would have passed by 2 marks. What is the passing score?
(A) 75
(B) 88
(C) 70
(D) 85
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