A shopkeeper sells an item at 20% profit. If he had bought it at 10% less and sold it for ₹90 more, he would have gained 40%. Find the cost price. a) ₹500 b) ₹600 c) ₹700 d) ₹800

The difference between CI and SI for 2 years at 10% p.a. on a sum is ₹500. Find the sum. a) ₹45,000 b) ₹50,000 c) ₹55,000 d) ₹60,000

Find the simple interest on ₹8,000 at 12% per annum for 2 years 4 months. a) ₹2,240 b) ₹2,260 c) ₹2,280 d) ₹2,300

If ( a:b = 2:3, b:c = 4:5 ), find ( a:c ). a) 6:15 b) 8:15 c) 2:5 d) 4:5

The average of 11 numbers is 45. The average of first 6 is 42 and last 6 is 48. Find the 6th number. a) 44 b) 45 c) 46 d) 47

If ( \tan θ = \frac{3}{4} ), find ( \frac{4\sinθ - 3\cosθ}{3\sinθ + 2\cosθ} ). a) 0 b) 1 c) 1/2 d) 2

A train 250 m long passes a platform 150 m long in 20 seconds. Find its speed in km/hr. a) 54 b) 60 c) 72 d) 90

A man can row 15 km/hr in still water. If the stream speed is 3 km/hr, how much time will he take to go 72 km downstream? a) 3 hrs b) 4 hrs c) 5 hrs d) 6 hrs