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Arithmetic Problems - Beginner-Intermediate Level: discount problems BEGINNER-INTERMEDIATE

Ready to master arithmetic problems? This benchmark test features 20 beginner-intermediate-level challenges. Worksheet 12 of 30 sharpens your discount problems skills. Master compound interest, ratio proportion, averages through guided practice. Perfect for developing test preparation.

📝 Worksheet 12 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner-intermediate level

What you'll learn in this worksheet:
Your progress through Arithmetic Problems
Worksheet 12 of 30 (40% complete)

Question 1

Find the sum of first 19 terms of the AP: First term=9, common difference=4.
S_n = n/2 [2a + (n-1)d] = 19/2*[2*9+(18)*4] = 855.0
sum, arithmetic progression

Question 2

What is 101 * 85?
101 * 85 = 8585
arithmetic, operation

Question 3

Find the sum of first 11 terms of the AP: First term=10, common difference=4.
S_n = n/2 [2a + (n-1)d] = 11/2*[2*10+(10)*4] = 330.0
sum, arithmetic progression

Question 4

If A can complete a work in 5 days, and B in 10 days, how long will they take together?
Time = (A * B) / (A + B) = (5*10)/(5+10) = 3.33 days.
time work

Question 5

In a ratio 4:7, what is the first part out of 286?
First part: 286 * 4/(11) = 104.0
ratio

Question 6

What is 196 + 25?
196 + 25 = 221
arithmetic, operation

Question 7

In the HP sequence: 0.1429, 0.0833, 0.0588, 0.0455, ___, 0.0312, find the missing term.
HP = reciprocal of AP. Missing index: 4. AP: 27. Answer: 0.037.
HP, sequence

Question 8

₹2622 and ₹3110 at 9% for 4 years. Ratio of simple interests = ?
SI1=943.92, SI2=1119.60, Ratio = 0.84:1
Olympiad, chain

Question 9

Calculate compound interest on Rs. 8599 at 7% per annum for 2 years.
CI = P(1+r/100)^t - P = 9845.0 - 8599 = 1246.0.
compound interest

Question 10

If A can complete a work in 2 days, and B in 9 days, how long will they take together?
Time = (A * B) / (A + B) = (2*9)/(2+9) = 1.64 days.
time work

Question 11

Calculate compound interest on Rs. 8886 at 6% per annum for 2 years.
CI = P(1+r/100)^t - P = 9984.31 - 8886 = 1098.31.
compound interest

Question 12

What is the remainder when 440 is divided by 3?
440 modulo 3 = 2.
modular

Question 13

In the GP sequence: 5, 25, 125, 625, ___, 15625, find the missing term.
GP formula: Each term = a * r^i. Missing term index: 4. Answer: 3125.
GP, sequence

Question 14

In the GP sequence: 2, 8, ___, 128, 512, find the missing term.
GP formula: Each term = a * r^i. Missing term index: 2. Answer: 32.
GP, sequence

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 UK?
Difference = |400 - 270| = 130.
data chart

Question 16

Calculate compound interest on Rs. 6402 at 6% per annum for 4 years.
CI = P(1+r/100)^t - P = 8082.38 - 6402 = 1680.38.
compound interest

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

Question 18

Convert 42 km to miles (1 km = 0.621371 miles).
42 * 0.621371 = 26.1 miles
conversion

Question 19

In the HP sequence: 0.2, 0.125, 0.0909, 0.0714, ___, 0.05, find the missing term.
HP = reciprocal of AP. Missing index: 4. AP: 17. Answer: 0.0588.
HP, sequence

Question 20

In the GP sequence: 2, 6, ___, 54, find the missing term.
GP formula: Each term = a * r^i. Missing term index: 2. Answer: 18.
GP, sequence
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