Preparation guide
Dell Aptitude Questions
Overview
This page has Dell aptitude questions with full solutions - numerical ability, verbal, and logical reasoning - in the style students report for the Dell Online Assessment. Start with the timed mock quiz, then work the solved set and log every miss by topic.
Dell Aptitude Mock Quiz
Timed placement-style MCQs with score and explanations after you submit. Use it to check speed and accuracy before the real test.
Questions15
Time10 min
Reasoning
If letter positions are summed (A=1…Z=26), ART equals:
Sum of positions = 39.
Quantitative
If the sum of three consecutive integers is 72, what is the smallest of these integers?
Let the integers be x, x+1, and x+2. x + (x + 1) + (x + 2) = 72 3x + 3 = 72 3x = 69 x = 23 Therefore, the integers are 23, 24, and 25.
Reasoning
Find the missing number: 5, 11, 23, 47, 95, ?
Correct answer: 191
Reasoning
What is the interest rate? Statement I: The interest on ₹10,000 for 1 year is ₹800. Statement II: The interest rate is less than 10%.
Statement I: Interest = ₹800, Principal = ₹10,000, Time = 1 year Rate = (Interest × 100) / (Principal × Time) = (800 × 100) / (10,000 × 1) = 8% Statement II: Rate < 10% (doesn't give exact value)
Verbal
There are two pipes in a tank. Pipe A is for filling the tank and pipe B is for emptying the tank. If A can fill the tank in 10 hours and B can empty the tank in 15 hours then find how many hours will it take to completely fill a half empty tank?
Correct answer: 15 hours
Quantitative
If 20% of a number is 48, the number is:
Number = 48 × 100/20 = 240.
Verbal
A bouquet of flowers _____ on the table.
Bouquet is singular.
Reasoning
Arrange the words: 1. Elephant 2. Cat 3. Dog 4. Ant
Correct answer: 4, 2, 3, 1
Quantitative
A person covers a certain distance at a speed of 50 km/h and returns at 30 km/h. What is the average speed for the entire journey?
Let distance = D km Time forward = D/50 hours Time return = D/30 hours Total time = D/50 + D/30 = D(3+5)/150 = 8D/150 = 4D/75 hours Total distance = 2D km Average speed = 2D / (4D/75) = 2D × 75/4D = 37.5 km/h
Verbal
Neither the teacher nor the students _____ present.
Verb agrees with nearer subject (students) → were.
Reasoning
Arrange in dictionary order: Apple, Apply, Apt, Apex. Third word is:
Order: Apex, Apple, Apply, Apt → third is Apply.
Quantitative
If "CAT" is coded as "3120", how is "DOG" coded? (A=1, B=2, C=3...)
Correct answer: 4157
Quantitative
The present age of father is 3 times the age of his son. After 5 years, the father's age will be 2.5 times the son's age. Find the present age of son.
Correct answer: 15 years
Quantitative
Find the simple interest on ₹5000 for 3 years at 8% per annum.
Correct answer: ₹1200
Verbal
Antonym of "Benevolent":
Benevolent ↔ malevolent.
Your score
0/15(0%)
Review
Dell aptitude topics students usually practice
- Numerical / quantitative: percentages, profit and loss, ratios, time and work, averages, SI/CI, speed-distance
- Logical reasoning: series, coding-decoding, blood relations, seating, syllogisms
- Verbal ability: grammar, vocabulary, error spotting, idioms
Numerical ability questions
Q1: Alligation milk
Problem: Milk at ₹40/L and ₹50/L mixed to get ₹44/L. Ratio of quantities?
Solution: Alligation: (50−44):(44−40) = 6:4 = 3:2.
Answer: 3:2
Q2: Geometry triangle
Problem: A right triangle has legs 6 and 8. Hypotenuse?
Solution: √(36+64)=√100=10.
Answer: 10
Q3: Consecutive integers
Problem: If the sum of three consecutive integers is 72, what is the smallest of these integers?
Solution: Let the integers be x, x+1, and x+2.
x + (x+1) + (x+2) = 72 3x + 3 = 72 3x = 69 x = 23
So the integers are 23, 24, and 25.
Answer: 23
Q4: Profit on a pen
Problem: If the cost price of a pen is ₹40 and it is sold at a 25% profit, what is the selling price?
Solution: Profit = 25% of 40 = ₹10. Selling price = 40 + 10 = ₹50.
Or SP = CP × 1.25 = 40 × 1.25 = ₹50.
Answer: ₹50
Q5: Sum of naturals
Problem: What is the sum of the first 50 natural numbers?
Solution: Sum of first n naturals = n(n+1)/2. For n = 50: 50 × 51 / 2 = 1275.
Answer: 1275
Q6: Marked price discount
Problem: A shopkeeper marks goods 20% above cost and then gives a 10% discount. What is the profit percentage?
Solution: Let CP = ₹100. Marked price = ₹120. Discount = 10% of 120 = ₹12. SP = 120 − 12 = ₹108. Profit % = 8%.
Answer: 8%
Q7: Age ratio
Problem: The ratio of ages of A and B is 3:5. After 8 years the ratio becomes 5:7. Find A’s present age.
Solution: Let ages be 3x and 5x. (3x+8)/(5x+8) = 5/7 7(3x+8) = 5(5x+8) 21x + 56 = 25x + 40 4x = 16 → x = 4 A’s age = 12 years.
Answer: 12 years
Q8: Simple interest
Problem: Find the simple interest on ₹8000 at 10% per annum for 2 years.
Solution: SI = (P × R × T) / 100 = (8000 × 10 × 2) / 100 = ₹1600.
Answer: ₹1600
Q9: Average after replace
Problem: The average of five numbers is 20. One number 30 is replaced by 10. What is the new average?
Solution: Old sum = 5 × 20 = 100. New sum = 100 − 30 + 10 = 80. New average = 80 / 5 = 16.
Answer: 16
Q10: Deck probability
Problem: What is the probability of drawing an ace from a standard 52-card deck?
Solution: There are 4 aces in 52 cards. Probability = 4/52 = 1/13.
Answer: 1/13
Verbal ability questions
Q11: Synonym - abundant
Problem: Choose the best synonym of ‘abundant’.
Solution: ‘Abundant’ means present in large quantity. Closest match: plentiful.
Answer: Plentiful
Q12: Idiom - piece of cake
Problem: What does ‘a piece of cake’ mean?
Solution: It means something very easy.
Answer: Very easy
Q13: Synonym - mitigate
Problem: Choose the best synonym of ‘mitigate’.
Solution: ‘Mitigate’ means to make less severe. Closest match: alleviate.
Answer: Alleviate
Q14: Antonym - benevolent
Problem: Choose the best antonym of ‘benevolent’.
Solution: ‘Benevolent’ means kind or well-meaning. Opposite: malevolent.
Answer: Malevolent
Q15: Fill in the blank
Problem: She _____ to the office every day by metro. (go / goes / going / gone)
Solution: Third-person singular present needs ‘goes’.
Answer: goes
Q16: Spelling
Problem: Which spelling is correct: Acommodate / Accommodate / Acomodate / Accomodate?
Solution: Correct spelling has two c’s and two m’s: Accommodate.
Answer: Accommodate
Reasoning ability questions
Q17: Analogy tool
Problem: Hammer is to Nail as Pen is to ?
Solution: Hammer drives nail; pen writes (on paper/ink). Best: Paper / Writing.
Answer: Paper
Q18: Analogy
Problem: Book is to Reading as Fork is to ?
Solution: A book is used for reading; a fork is used for eating.
Answer: Eating
Q19: Odd one out
Problem: Find the odd one out: 3, 5, 7, 9, 11
Solution: 3, 5, 7, and 11 are prime. 9 = 3×3 is composite, so it is the odd one out.
Answer: 9
Q20: Matrix letter
Problem: If in a code A=1, B=2, … Z=26, what is the value of CAB?
Solution: C=3, A=1, B=2; sum = 6 (if additive coding).
Answer: 6
Q21: Blood uncle
Problem: A is B’s brother. C is A’s mother. D is C’s father. How is B related to D?
Solution: D is C’s father; C is mother of A and B. B is D’s grandchild.
Answer: Grandchild
Q22: Syllogism
Problem: Statements: All engineers are graduates. Some graduates are managers. Conclusion: Some engineers are managers. Does it follow?
Solution: The ‘some graduates’ who are managers need not overlap with the engineers. The conclusion does not follow necessarily.
Answer: Does not follow
Timed practice tips for Dell
- First pass: only high-confidence questions
- Mark and skip time sinks early
- Keep verbal accuracy high - these are easy marks if you stay calm
- Run the mock quiz at least three times a week under real timing
- Sleep properly the night before; fatigue hurts DI and calculation accuracy