Quantitative Aptitude · solved example
I. x² − 5x + 6 = 0 II. y² − 7y + 12 = 0. Determine the relation between x and y.
- x ≥ y
- x ≤ yCorrect
- x < y
- x > y
Solution
x = 2 or 3; y = 3 or 4. Every x is less than or equal to every y, so x ≤ y.
SBI PO | Preliminary Examination
SBI PO Prelims: Quantitative Aptitude sprint (20 questions)
A short, single-clock Quantitative Aptitude sectional at SBI PO Prelims pace: 20 original questions with one fourth negative marking, for a focused 20-minute drill of arithmetic, series, quadratics and DI.
Before you start
- One clock of 20 minutes for 20 questions, matching the pace of the Prelims quant section.
- Every question carries one mark and one fourth of a mark is deducted for a wrong answer. Unanswered questions carry no penalty.
- No calculator is provided, exactly as in the real Prelims.
Sections in this test
| Section | Questions |
|---|---|
| Quantitative AptitudeQuantitative Aptitude | 20 |
Sample questions with worked solutions
A few questions from this test, with the answer key and the method behind it. The full set of 20 runs under a timer, and every solution is on the analysis screen once you submit.
Quantitative Aptitude · solved example
Find 35% of 1200.
- 440
- 380
- 420Correct
- 400
Solution
35% of 1200 = 0.35 × 1200 = 420.
Quantitative Aptitude · solved example
A and B invest in a business in the ratio 3 : 2. If the total profit is Rs 5000, find A’s share.
- 3500
- 3000Correct
- 2500
- 2000
Solution
A has 3 of the 5 parts, so A’s share is 5000 × 3/5 = 3000.
Quantitative Aptitude · solved example
The average of four consecutive odd numbers is 16. Find the largest of them.
- 21
- 19Correct
- 15
- 17
Solution
The numbers are 13, 15, 17, 19 with average 16, so the largest is 19.
Quantitative Aptitude · solved example
If A : B = 5 : 7 and B = 63, find A.
- 35
- 50
- 45Correct
- 40
Solution
A = B × 5/7 = 63 × 5/7 = 45.
Advertisement
How this test is marked
Correct answer
+1
Wrong answer
-0.25
Unanswered
0
Because a blank carries no penalty, guessing only pays when you can eliminate at least two options. The analysis screen after the test shows you exactly where guessing cost you marks.