Q2. Work done by (x +2) men in (x-1) days and work done by (x-3) men in (x+4) days is in the ratio of 54 : 49. Find x.
(a) 12
(b) 10
(c) 11
(d) 7
(e) 9
Q3. 75 litres solution of milk and water in which milk is 40% is mixed with 100 litres solution of milk and water. Find the quantity of milk in 100 litres solution if milk in the final solution is 45% ?
(a) 49.25 litres
(b) 48.75 litres
(c) 46.25 litres
(d) 47.50 litres
(e) 45.40 litres
Q4. Veer invests an amount of Rs.5000 on simple interest at 15% p.a for 2 years. What is the simple interest earned by Ayush in 2.5 years at 15% p.a if he invests 20% more amount than Veer?( in Rs.)
(a) 2250
(b) 2000
(c) 2500
(d) 2100
(e) 2750
Q5. A boat takes total 16 hours to go 96 km downstream and 80 km upstream. Speed of stream is 33.33% of speed of boat in still water. What is the difference between speed of boat in still water and speed of stream? (in kmph)
(a) 10
(b) 8
(c) 12
(d) 4
(e) 6
Solutions
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