Online Quiz

← Back
Get daily current affairs & exam alerts – follow us YouTube WhatsApp Channel Telegram Channel Facebook Page Instagram
Share with friends & study groups
Link to this page from your website / blog (HTML code)
1.  
If A : B = 5 : 6 and B : C = 4 : 9, then A : B : C = ?

Correct Answer: E [10 : 12 : 27]

Explanation:

Bridge Link: 5 × 4 : 6 × 4 : 6 × 9 = 20 : 24 : 54 = 10 : 12 : 27.

2.  
₹ 3,600 is divided among A, B and C in the ratio 1/3 : 1/4 : 1/6. C's share is:

Correct Answer: C [₹ 800]

Explanation:

× 12 → 4 : 3 : 2 (9 parts) → 1 part = 400 → C = ₹ 800.

3.  
What number must be added to each term of 7 : 11 to make the ratio 3 : 4?

Correct Answer: D [5]

Explanation:

(7 + x)/(11 + x) = 3/4 → 28 + 4x = 33 + 3x → x = 5.

4.  
The incomes of A and B are in the ratio 4 : 3 and their expenditures in 3 : 2. If each saves ₹ 6,000, A's income is:

Correct Answer: B [₹ 24,000]

Explanation:

4x − 3y = 6,000 and 3x − 2y = 6,000 → x = 6,000 → A = ₹ 24,000.

5.  
A starts a business with ₹ 25,000. After 3 months B joins with ₹ 30,000. Out of a year-end profit of ₹ 38,000, B gets:

Correct Answer: A [₹ 18,000]

Explanation:

25 × 12 : 30 × 9 = 300 : 270 = 10 : 9 → B = 9/19 × 38,000 = ₹ 18,000.

6.  
The average weight of 35 students is 48 kg. When the teacher's weight is included, the average rises by 1 kg. The teacher weighs:

Correct Answer: C [84 kg]

Explanation:

Average Shift: 48 + 36 × 1 = 84 kg.

7.  
The average of 10 numbers increases by 1.5 when one number, 45, is replaced by a new number. The new number is:

Correct Answer: E [60]

Explanation:

45 + 10 × 1.5 = 60.

8.  
25 boys average 70 marks and 15 girls average 78 marks. The class average is:

Correct Answer: A [73]

Explanation:

(1,750 + 1,170)/40 = 2,920/40 = 73.

9.  
The ages of P and Q are in the ratio 7 : 5. After 8 years the ratio will be 9 : 7. The sum of their present ages is:

Correct Answer: B [48]

Explanation:

Gaps 2 and 2 → 7 → 9 is 2 parts = 8 years → 1 part = 4 → 28 + 20 = 48.

10.  
The sum of the present ages of A and B is 50 years. Five years ago their ages were in the ratio 3 : 2. A's present age is:

Correct Answer: D [29]

Explanation:

Five years ago the sum was 40 → 24 and 16 → A = 24 + 5 = 29.

11.  
Quantity I: the third proportional to 16 and 24
Quantity II: the mean proportional between 18 and 72

Correct Answer: E [Quantity I = Quantity II or relation cannot be established]

Explanation:

I: 24²/16 = 36. II: √(18 × 72) = √1,296 = 36.

12.  
What is Ravi's present age?
I. Ravi is 4 years older than Sita.
II. The ratio of Ravi's age to Sita's age is 5 : 4.

Correct Answer: D [Both statements together are needed]

Explanation:

I gives only the gap; II only the ratio.

13.  
Trick Spotter: 35% of A equals 21% of B. The fastest way to find A : B is:

Correct Answer: B [Swap the percentages: A : B = 21 : 35 = 3 : 5]

Explanation:

Fraction Swap: p% of A = q% of B → A : B = q : p = 21 : 35 = 3 : 5.

14.  
Which of the following is/are correct?
I. The compound ratio of 2 : 3 and 9 : 4 is 3 : 2.
II. The sub-duplicate ratio of 36 : 81 is 2 : 3.
III. The triplicate ratio of 2 : 5 is 6 : 15.

Correct Answer: C [Only I and II]

Explanation:

I: 18 : 12 = 3 : 2 ✓. II: 6 : 9 = 2 : 3 ✓.

15.  
Reverse question: a sum is divided between X and Y in the ratio 5 : 3 and Y gets ₹ 2,400. The sum is:

Correct Answer: B [₹ 6,400]

Explanation:

3 parts = 2,400 → 1 part = 800 → 8 parts = ₹ 6,400.

16.  
Spot My Mistake: "A invests ₹ 20,000 for the whole year and B invests ₹ 30,000 after 4 months. Ratio = 20 × 12 : 30 × 4 = 2 : 1." Which statement is correct?

Correct Answer: B [B's money worked for 8 months, so the ratio is 240 : 240 = 1 : 1]

Explanation:

Joining after 4 months → 12 − 4 = 8 months: 20 × 12 = 240 = 30 × 8.

📘 IBPS Clerk 2026 – B2 Quantitative Aptitude (PDF book)
Here you get the answer with a one-line explanation. 842 questions, each with a full step-by-step explanation · shortcuts, tables, trap alerts · Prelims + Mains sectional mocks. All 5 books together: ₹599.
Get the book – ₹149 →
Score: 0 Answered: 0 / 0