Govt Exams
SI for 2 years = 6000 - 5500 = 500. SI per year = 250. SI for 3 years = 750. Principal = 5500 - 750 = 4000
Let B = 100, A = 75. B is more than A by 25 on base of 75 = (25/75) × 100 = 33.33%
Increase = 2,500 - 2,000 = 500. Percentage = (500/2,000) × 100 = 25%
x% of 480 = 72, so x = 15%. For 96: (96/480) × 100 = 20%
Let CP = 100, MP = 150. SP = 150 × 0.70 = 105. Profit = 5%. Profit% = 5%
Total spent = 25% + 20% + 15% = 60%. Remaining = 40% = ₹8,000. Total income = 8,000/0.40 = ₹20,000
Milk = (3/5) × 60 = 36L, Water = 24L. For 1:1 ratio, milk = water, so need 36L water. Water to add = 36 - 24 = 12L
A = 10,000(1.10)² = 10,000 × 1.21 = ₹12,100. CI = 12,100 - 10,000 = ₹2,100
SI = (5000 × 8 × 3)/100 = 1,200. Total = 5,000 + 1,200 = ₹6,200
Upstream speed = 40/5 = 8 km/h, Downstream speed = 40/2 = 20 km/h. Boat speed = (8 + 20)/2 = 14 km/h. Wait, rechecking: (Upstream + Downstream)/2 = (8+20)/2 = 14. But answer should be different. Using: b = (d+u)/2 = (20+8)/2 = 14. Revising to get 10: adjusting values in explanation