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Olympiad Chain Arithmetic: Worksheet 2 - Beginner Practice Olympiad Chain Arithmetic BEGINNER

Ready to master Olympiad Chain Arithmetic? This entry level practice worksheet (2/10) presents 20 beginner-level challenges. Focus area: pattern recognition. Learn to solve olympiad chain arithmetic reasoning questions, handle olympiad chain arithmetic practice, and perfect olympiad chain arithmetic for competitive exams with our step-by-step solutions.

📝 Worksheet 2 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner level

What you'll learn in this worksheet:
Your progress through Olympiad Chain Arithmetic
Worksheet 2 of 10 (11% complete)

Question 1

Find difference in CI for ₹5757 at 6% vs 11% for 2 years.
P=5757, R1=6%, R2=11%, T=2. CI difference = 624.63

Question 2

In a group, 26 members are aged 35, 38 members aged 49. Find average age.
26 people age 35, 38 people age 49. Average = 43.3

Question 3

In AP (a=30, d=12, n=7), what % of total sum is the 4th term?
AP sum = 462, term4=66, percentage=14.3%

Question 4

In a GP, the 4th term is 320 (a=5, r=4). This amount is invested at 5% simple interest for 3 years. Find the interest earned.
GP: a=5, r=4, term 4 = 320. SI on ₹320 at 5% for 3 years = 48.0

Question 5

Town population 35026, grows 8% annually for 2 years. Population increase invested at 9% SI for 2 years. Find interest.
Population 35026, growth 8% for 2y → increase 5828. SI at 9% for 2y = 1049.04

Question 6

Find difference in CI for ₹2909 at 9% vs 10% for 2 years.
P=2909, R1=9%, R2=10%, T=2. CI difference = 63.71

Question 7

In AP (a=33, d=6, n=6), what % of total sum is the 4th term?
AP sum = 288, term4=51, percentage=17.7%

Question 8

Work efficiency: A = 2 units/day, B = 1 units/day. Total work 95 units. Difference in days to complete = ?
A efficiency=2, B=1, Work=95. A time=47.5, B time=95.0, Difference=47.5

Question 9

MP ₹753, discount 15%, profit 20%. Find cost price.
MP=753, Discount=15%, SP=640.05. Profit 20%, CP=533.37

Question 10

A car travels at 70 km/h for 3 hours. The distance covered equals the elder's age. The younger is 3 times younger. Find younger's age.
Distance = 70×3 = 210 km. Elder age = distance = 210. Younger = 210/3 = 70

Question 11

Find difference in CI for ₹4434 at 6% vs 10% for 2 years.
P=4434, R1=6%, R2=10%, T=2. CI difference = 383.1

Question 12

Distance 203km. At 59km/h vs 88km/h, time saved = ?
Distance 203km. Time1=3.44h, Time2=2.31h, Saved=1.13h

Question 13

In a group, 27 members are aged 28, 40 members aged 51. Find average age.
27 people age 28, 40 people age 51. Average = 41.7

Question 14

Investment returns in ratio 2:3, total ₹19897. If first investor gets 7958.80 at 20% ROI, find their investment.
Returns ratio 2:3, total ₹19897. Return1=7958.80 at 100% ROI, Investment=31835.2

Question 15

Sum of GP (a=3, r=2, 3 terms) invested at 8% SI for 5 years. Find interest.
GP sum (a=3, r=2, n=3) = 21. SI at 8% for 5y = 8.4

Question 16

A invests ₹27283 for 7 months, B ₹39123 for 4 months. Total profit ₹9444. Find A's ROI percentage.
A: ₹27283 for 7m, B: ₹39123 for 4m. Profit 9444, A's ROI = 19.025363121738952%

Question 17

Sum of first 5 terms of AP (a=112, d=84) is invested at 7% compound interest for 3 years. Find compound interest.
AP sum: 1400. CI on ₹1400 at 7% for 3 years = 315.06

Question 18

A takes 8 days, B takes 16 days. Total wages ₹6599. Find A's share.
A: 8 days, B: 16 days. Wage ratio 0.125:0.062. Total ₹6599, A's wage=4399.33

Question 19

Average age of 6 people is 35. If a 35-year-old leaves, find new average.
Total 6 people avg 35 → total=210. Remove age 35, new avg=35.0

Question 20

In a group, 23 members are aged 29, 31 members aged 55. Find average age.
23 people age 29, 31 people age 55. Average = 43.9
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