Q : Gopal and Ravi contracted a work for Rs 480. If Gopal can do that work in 15 days and Ravi can complete that same work in 10 days. He completed this work with Mahesh in 5 days, then tell me how much money Mahesh got.
(A) Rs.80
(B) Rs.120
(C) Rs.160
(D) Rs. 40
Vinit and Gopal can do a work together in 4 days. Shyam and Mohan can do the same work in 12 days. So, in how many days can all four complete that work together?
(A) 4 days
(B) 3 days
(C) 8 days
(D) 12 days
The ratio of the sides of a triangle is
(A) 52 cm
(B) 48 cm
(C) 44 cm
(D) 40 cm
The ratio of the age of a son and father is 1: 4. After 9 years, the ratio will be 2: 5. What is the present age (in years) of the son?
(A) 10
(B) 8
(C) 9
(D) 12
The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?
(A) 8 : 9
(B) 21 : 22
(C) 17 : 18
(D) 24 : 9
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