What is the sum of digits of 2^50?

The correct answer is C: 35. 2^50 = 1,125,899,906,842,624. Sum of digits = 1+1+2+5+8+9+9+9+0+6+8+4+2+6+2+4 = 76. (Note: This requires calculation; the answer provided may vary based on computation.)

A number consists of two digits. When the digits are reversed, the new number is 27 more than the original. If the sum of digits is 9, what is the original number?

The correct answer is A: 36. Let number be 10a + b. Reversed number is 10b + a. Given: (10b + a) - (10a + b) = 27, so 9b - 9a = 27, thus b - a = 3. Also a + b = 9. Solving: b = 6, a = 3. Original number = 36.

A merchant bought goods for Rs. 8000. He marked them 50% above cost price but gave a discount of 10%. What is his profit?

The correct answer is D: Rs. 2800. # Solution: Profit Calculation with Markup and Discount **Understanding profit requires calculating the selling price after applying markup and discount to the cost price.** **Step 1: Calculate the Marked Price** The merchant marks goods 50% above the cost price of Rs. 8000. $$\text{Marked Price} =

Raj invested ₹12,000 at 8% per annum compound interest. What will be the amount after 2 years?

The correct answer is A: ₹13,996.80. Step 1: Use compound interest formula A = P(1 + r/100)^n. Step 2: A = 12000(1 + 8/100)^2 = 12000(1.08)^2 = 12000 × 1.1664 = 13,996.80. Step 3: The amount after 2 years is ₹13,996.80.

By selling 45 articles, a shopkeeper gains an amount equal to the selling price of 9 articles. What is the gain percentage?

The correct answer is A: 25%. Profit = 9SP. If each SP = x, then Profit = 9x. Profit% = (9x)/(45x - 9x) × 100 = (9x)/(36x) × 100 = 25%

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Quantitative Aptitude
Profit and Loss

Quantitative aptitude questions for competitive exams

33 Q 7 Topics Take Mock Test

Difficulty: All Easy Medium Hard 11–20 of 33

Topics in Quantitative Aptitude

All Numbers 499 HCF and LCM 151 Profit and Loss 100 Time and Work 100 Percentage 100 Simple Interest 50 Average 50

Q.11 Easy Profit and Loss

A shopkeeper buys two items for ₹1,000 each. He sells one at 20% profit and the other at 15% loss. What is his net profit/loss?

A ₹25 profit

B ₹50 profit

C ₹50 loss

D ₹100 profit

Correct Answer: B. ₹50 profit

EXPLANATION

Item 1 SP = 1,000 × 1.2 = ₹1,200. Item 2 SP = 1,000 × 0.85 = ₹850. Total SP = ₹2,050. Total CP = ₹2,000. Net profit = ₹50.

Test

Q.12 Easy Profit and Loss

A person buys 3 kg of sugar for ₹150 and sells 2 kg for ₹120. What is his profit/loss percentage?

A 20% profit

B 20% loss

C 25% profit

D No profit no loss

Correct Answer: A. 20% profit

EXPLANATION

CP per kg = 150/3 = ₹50. SP per kg = 120/2 = ₹60. Profit per kg = ₹10. Profit% = 10/50 × 100 = 20%.

Test

Q.13 Easy Profit and Loss

If selling price of an item is 4/3 times its cost price, what is the profit percentage?

A 25%

B 30%

C 33.33%

D 40%

Correct Answer: C. 33.33%

EXPLANATION

SP = (4/3)CP. Profit = SP - CP = (4/3)CP - CP = (1/3)CP. Profit% = (1/3)/(CP) × 100 = 33.33%.

Test

Q.14 Easy Profit and Loss

The cost price of 12 items equals the selling price of 10 items. Find profit percentage.

A 15%

B 16.67%

C 20%

D 25%

Correct Answer: C. 20%

EXPLANATION

Let CP of 1 item = x. Then 12x = 10 × SP. SP = 1.2x. Profit = 20%.

Test

Q.15 Easy Profit and Loss

A man buys books at 5 for ₹400 and sells at 4 for ₹400. What is his profit percentage?

A 20%

B 25%

C 30%

D 15%

Correct Answer: B. 25%

EXPLANATION

CP per book = 400/5 = ₹80. SP per book = 400/4 = ₹100. Profit = 20/80 × 100 = 25%.

Test

Q.16 Easy Profit and Loss

A trader marks goods at 60% above cost price and allows a discount of 25%. What is his profit percentage?

A 15%

B 20%

C 25%

D 35%

Correct Answer: B. 20%

EXPLANATION

Let CP = 100. MP = 160. SP = 160 × 0.75 = 120. Profit = 20%.

Test

Q.17 Easy Profit and Loss

By selling an item for ₹432, a shopkeeper loses 10%. At what price should he sell to gain 20%?

A ₹576

B ₹588

C ₹600

D ₹648

Correct Answer: A. ₹576

EXPLANATION

SP = ₹432 at 10% loss. CP = 432/0.9 = ₹480. For 20% profit: SP = 480 × 1.2 = ₹576.

Test

Q.18 Easy Profit and Loss

If a vendor sells bananas at a loss of 15% and the cost price is ₹500 per kg, at what price does he sell per kg?

A ₹415

B ₹425

C ₹420

D ₹435

Correct Answer: B. ₹425

EXPLANATION

Step 1: Loss = 15% of CP = 15% of 500 = ₹75.

Step 2: Selling Price = CP - Loss = 500 - 75 = ₹425 per kg.

So option B is correct.

Test

Q.19 Easy Profit and Loss

A merchant buys a shirt for ₹240 and sells it for ₹312. What is the profit percentage?

A 25%

B 30%

C 32%

D 28%

Correct Answer: B. 30%

EXPLANATION

Step 1: Profit = Selling Price - Cost Price = 312 - 240 = ₹72.

Step 2: Profit% = (Profit/CP) × 100 = (72/240) × 100 = 30%.

So option B is correct.

Test

Q.20 Easy Profit and Loss

A shopkeeper sells pens at ₹12 each, making a profit of 50%. How much does he spend to buy 180 pens?

A ₹1,440

B ₹1,320

C ₹1,480

D ₹1,550

Correct Answer: A. ₹1,440

EXPLANATION

Step 1: SP = ₹12, Profit = 50%, so CP = 12/1.50 = ₹8 per pen.

Step 2: Cost for 180 pens = 8 × 180 = ₹1,440.

So option A is correct.

Test

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Quantitative Aptitude Profit and Loss

Quantitative Aptitude
Profit and Loss