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Arithmetic Problems - Beginner Level: compound interest BEGINNER

Level up your arithmetic problems skills with this entry level practice. 20 beginner-level problems await in Worksheet 4 of 30. Focus area: compound interest. Learn simple interest, compound interest, ratio proportion through systematic practice. Designed for entry-level learners seeking foundational concepts and basic patterns.

📝 Worksheet 4 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner level

What you'll learn in this worksheet:
Your progress through Arithmetic Problems
Worksheet 4 of 30 (13% complete)

Question 1

In the HP sequence: 0.3333, 0.1429, 0.0909, ___, 0.0526, 0.0435, find the missing term.
HP = reciprocal of AP. Missing index: 3. AP: 15. Answer: 0.0667.
HP, sequence

Question 2

What is the remainder when 73 is divided by 3?
73 modulo 3 = 1.
modular

Question 3

What is 50% of 1448?
50% of 1448 = (1448*50)/100 = 724.0
percentage

Question 4

If A can complete a work in 5 days, and B in 7 days, how long will they take together?
Time = (A * B) / (A + B) = (5*7)/(5+7) = 2.92 days.
time work

Question 5

Calculate simple interest on Rs. 4379 at 4% per annum for 5 years.
Simple Interest = PRT/100 = 875.8.
interest

Question 6

Find the sum of first 17 terms of the AP: First term=3, common difference=8.
S_n = n/2 [2a + (n-1)d] = 17/2*[2*3+(16)*8] = 1139.0
sum, arithmetic progression

Question 7

Find the wrong term in the series: 34, 39, 29, 49, 54, 59, 64
Correct AP is 34, 39, 44, 49, 54, 59, 64. Wrong term: 29, position 3.
arithmetic, wrong term

Question 8

Calculate simple interest on Rs. 2573 at 11% per annum for 3 years.
Simple Interest = PRT/100 = 849.09.
interest

Question 9

Calculate simple interest on Rs. 3598 at 3% per annum for 2 years.
Simple Interest = PRT/100 = 215.88.
interest

Question 10

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 Japan make compared to India?
Difference = |150 - 250| = 100.
data chart

Question 11

A and B invest Rs. 4988 and Rs. 5277 for 11 and 7 months respectively. If total profit is Rs. 12000, what is B's share?
Share ratio = 4988×11 : 5277×7 = 54868 : 36939
B's share = (36939 / 91807) × 12000 = 4828.26
partnership

Question 12

Calculate compound interest on Rs. 8045 at 5% per annum for 4 years.
CI = P(1+r/100)^t - P = 9778.75 - 8045 = 1733.75.
compound interest

Question 13

Convert 43 km to miles (1 km = 0.621371 miles).
43 * 0.621371 = 26.72 miles
conversion

Question 14

In the HP sequence: 0.1429, 0.1111, 0.0909, ___, 0.0667, 0.0588, 0.0526, find the missing term.
HP = reciprocal of AP. Missing index: 3. AP: 13. Answer: 0.0769.
HP, sequence

Question 15

Calculate compound interest on Rs. 4900 at 5% per annum for 3 years.
CI = P(1+r/100)^t - P = 5672.36 - 4900 = 772.36.
compound interest

Question 16

In the HP sequence: 0.1667, 0.125, ___, 0.0833, 0.0714, 0.0625, find the missing term.
HP = reciprocal of AP. Missing index: 2. AP: 10. Answer: 0.1.
HP, sequence

Question 17

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 Japan make compared to India?
Difference = |150 - 250| = 100.
data chart

Question 18

Fill the missing term: 36, 45, 54, 63, 72, ?, 90, 99
AP with difference 9. 36+5*9 = 81.
arithmetic, progression

Question 19

A, B, and C invest Rs. 4665, Rs. 6192, and Rs. 4144 for 5, 12, 6 months respectively. If total profit is Rs. 18000, what is C's share?
Share ratio = 4665×5 : 6192×12 : 4144×6 = 23325 : 74304 : 24864
C's share = (24864 / 122493) × 18000 = 3653.69
partnership

Question 20

If you start with 74, add 10, multiply by 5, then subtract 10, what is the result?
(74+10)=84; 84*5=420; 420-10=410
arithmetic, hybrid
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