Arithmetic Problems - Beginner Level: simple interest BEGINNER

Exam-focused quick revision round worksheet: 20 beginner-level arithmetic problems questions. Worksheet 3 of 30 targets simple interest. Build proficiency in profit-loss, simple interest, compound interest with detailed solutions. Ideal for entry-level competitive exam preparation.

📝 Worksheet 3 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner level

What you'll learn in this worksheet:
Your progress through Arithmetic Problems
Worksheet 3 of 30 (10% complete)

Question 1

Calculate simple interest on Rs. 5680 at 8% per annum for 1 years.
Simple Interest = PRT/100 = 454.4.

Question 2

If A can complete a work in 4 days, and B in 8 days, how long will they take together?
Time = (A * B) / (A + B) = (4*8)/(4+8) = 2.67 days.

Question 3

Fill the missing term: 47, 59, 71, ?, 95
AP with difference 12. 47+3*12 = 83.

Question 4

What is 113 + 79?
113 + 79 = 192

Question 5

Find the sum of first 16 terms of the AP: First term=4, common difference=5.
S_n = n/2 [2a + (n-1)d] = 16/2*[2*4+(15)*5] = 664.0

Question 6

What is 20% of 1177?
20% of 1177 = (1177*20)/100 = 235.4

Question 7

In the GP sequence: 7, 21, ___, 189, 567, find the missing term.
GP formula: Each term = a * r^i. Missing term index: 2. Answer: 63.

Question 8

In the GP sequence: 5, 20, ___, 320, 1280, 5120, find the missing term.
GP formula: Each term = a * r^i. Missing term index: 2. Answer: 80.

Question 9

In a ratio 4:3, what is the first part out of 371?
First part: 371 * 4/(7) = 212.0

Question 10

Convert 39 km to miles (1 km = 0.621371 miles).
39 * 0.621371 = 24.23 miles

Question 11

MP ₹888, discount 10%, profit 15%. Find cost price.
MP=888, Discount=10%, SP=799.20. Profit 15%, CP=694.96

Question 12

In a ratio 6:2, what is the first part out of 464?
First part: 464 * 6/(8) = 348.0

Question 13

What is 10% of 1431?
10% of 1431 = (1431*10)/100 = 143.1

Question 14

What is 50% of 1210?
50% of 1210 = (1210*50)/100 = 605.0

Question 15

The chart below shows the number of cars (in thousands) manufactured in 2020: India-250 USA-400 Japan-150 UK-270 How many more cars (in thousands) did USA make compared to India?
Difference = |400 - 250| = 150.

Question 16

Find the sum of first 17 terms of the AP: First term=9, common difference=6.
S_n = n/2 [2a + (n-1)d] = 17/2*[2*9+(16)*6] = 969.0

Question 17

A and B invest Rs. 2282 and Rs. 7644 for 12 and 4 months respectively. If total profit is Rs. 25000, what is B's share?
Share ratio = 2282×12 : 7644×4 = 27384 : 30576
B's share = (30576 / 57960) × 25000 = 13188.41

Question 18

Calculate simple interest on Rs. 6740 at 11% per annum for 1 years.
Simple Interest = PRT/100 = 741.4.

Question 19

What is 196 * 26?
196 * 26 = 5096

Question 20

The chart below shows the number of cars (in thousands) manufactured in 2020: India-250 USA-400 Japan-150 UK-270 How many more cars (in thousands) did USA make compared to Japan?
Difference = |400 - 150| = 250.
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