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Free CA Quantitative Aptitude Practice Questions & Answers
500 exam-style Quantitative Aptitude questions. Pick your answer, hit Check answer, and see the worked solution — free to start, no signup.
100% free · No login to startQuestion 211
Q is the sister of R. P is the mother of Q. S is the father of P. How is R related to S?
Select an option first.
Correct answer: C — Grandchild
Explanation: P is Q's mother, and since Q and R are sisters, P is also R's mother. S is P's father, so S is R's maternal grandfather - making R the grandchild of S. The sibling link is the step that transfers the parent: siblings share parents, so anything true of Q's mother is true of R's.
Question 212
A's father is B's son. C is B's father. How is A related to C?
Select an option first.
Correct answer: B — Great-grandson
Explanation: A's father is B's son, so B is A's grandfather. C is B's father, hence A's great-grandfather - making A the great-grandson of C. Each 'father of' link moves one generation up, so count the links: father, grandfather, great-grandfather. Rushing this yields distractor C.
Question 213
P is Q's brother. R is Q's mother. S is R's father. How is P related to S?
Select an option first.
Correct answer: B — Grandson
Explanation: P is Q's brother, so R, being Q's mother, is also P's mother. S is R's father, hence P's maternal grandfather - which makes P the grandson of S. Build the tree one generation at a time and note the direction of each link; the relationship asked for is always read from the FIRST person named to the second.
Question 214
Pointing at a woman, a man said, 'She is the only daughter of my wife's mother.' How is the woman related to the man?
Select an option first.
Correct answer: C — His wife
Explanation: The only daughter of his wife's mother must be his wife herself. Distractor D would require a second daughter, which the word 'only' excludes. The phrase 'only daughter' is doing all the work, exactly as in the earlier 'only son' variant - watch for it.
Question 215
If 1 January 2026 is a Thursday, then 1 March 2026 falls on a:
Select an option first.
Correct answer: D — Sunday
Explanation: 2026 is not a leap year, since it is not divisible by 4, so February has 28 days. From 1 January to 1 March is 31 + 28 = 59 days, and 59 divided by 7 leaves a remainder of 3 odd days. Thursday plus 3 is Sunday. Always settle the leap year question first - it changes the answer by one day.
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Question 216
The year 2100 will be:
Select an option first.
Correct answer: C — Not a leap year, being divisible by 100 but not by 400
Explanation: The rule is that a year divisible by 4 is a leap year, EXCEPT a century year, which must also be divisible by 400. 2100 divides by 100 but not by 400, so it is an ordinary year - unlike 2000, which did divide by 400. This exception is the whole content of the question.
Question 217
If there are 15 students ahead of Meena and 20 students behind her, the strength of the class is:
Select an option first.
Correct answer: D — 36
Explanation: Here the counts EXCLUDE Meena herself, so the total is 15 + 20 + 1 = 36. Contrast the other common form, where a rank from each end is given and 1 must be SUBTRACTED because the person is counted twice. Read whether the question gives ranks or counts - the adjustment goes in opposite directions.
Question 218
Find the odd one out: Rectangle, Square, Rhombus, Triangle
Select an option first.
Correct answer: C — Triangle
Explanation: Rectangle, square and rhombus are all quadrilaterals with four sides, whereas a triangle has three. Note that a square is both a rectangle and a rhombus, so it cannot be the odd one on any subsidiary property either. Find the property shared by exactly three of the four - the odd one is the single exception, never a member of a smaller shared pair.
Question 219
Find the odd one out: Rupee, Dollar, Euro, Bank
Select an option first.
Correct answer: A — Bank
Explanation: Rupee, Dollar and Euro are units of currency, whereas a bank is an institution that deals in currency. The relation is one of category, not of function: all four belong to finance, but only three belong to the same class. Identify the class shared by exactly three options before choosing.
Question 220
Find the odd one out: Wheat, Rice, Maize, Mustard
Select an option first.
Correct answer: D — Mustard
Explanation: Wheat, rice and maize are cereal crops, whereas mustard is an oilseed. All four are crops, so that shared property cannot discriminate. Look for the narrower class that exactly three of the four belong to - that is always where the answer lies.
Question 221
Find the odd one out: Copper, Iron, Zinc, Brass
Select an option first.
Correct answer: A — Brass
Explanation: Copper, iron and zinc are pure metals, that is chemical elements, whereas brass is an ALLOY of copper and zinc. The discriminating property is not metallic character, which all four share, but elemental purity. When every option satisfies the obvious criterion, look for the finer one - that is where the question lives.
Question 222
Find the odd one out: Eye, Ear, Nose, Hand
Select an option first.
Correct answer: C — Hand
Explanation: The eye, ear and nose are sense organs dedicated to sight, hearing and smell respectively, whereas the hand is a limb used for grasping. All four are body parts, so that cannot discriminate - the property shared by exactly three is what identifies the odd one.
Question 223
Find the odd one out: Kolkata, Chennai, Mumbai, Delhi
Select an option first.
Correct answer: C — Delhi
Explanation: Kolkata, Chennai and Mumbai are all coastal port cities, whereas Delhi is inland. Being major cities is common to all four, so that cannot discriminate; the shared property must hold for exactly three. Test location, size and status in turn until one splits the list three against one.
Question 224
Find the odd one out: January, March, June, August
Select an option first.
Correct answer: C — June
Explanation: January, March and August each have 31 days, whereas June has 30. All four are months, so that cannot be the criterion; the discriminating property is the number of days. When every option shares the obvious category, look for a numerical property that exactly three of them share.
Question 225
Find the odd one out: Rose, Lotus, Lily, Mango
Select an option first.
Correct answer: D — Mango
Explanation: Rose, lotus and lily are flowers, whereas mango is a fruit. All four are products of plants, so that shared property cannot discriminate; the narrower class holding exactly three of them is what identifies the odd one out.
Question 226
Find the odd one out: Triangle, Circle, Square, Pentagon
Select an option first.
Correct answer: D — Circle
Explanation: A triangle, square and pentagon are all polygons, bounded by straight sides and having vertices, whereas a circle has neither sides nor vertices. Number of sides cannot be the criterion, since all three polygons differ in that respect - the shared property must hold for exactly three options.
Question 227
A clock shows 6 o'clock and its minute hand points north. The hour hand points:
Select an option first.
Correct answer: B — South
Explanation: At 6 o'clock the minute hand is at 12 and the hour hand at 6, directly opposite each other on the dial. If the minute hand points north, the hour hand must point south. The two hands are 180 degrees apart at exactly six o'clock, which is what fixes the answer.
Question 228
If A + B means A is the father of B, and A - B means A is the wife of B, then in P + Q - R, how is P related to R?
Select an option first.
Correct answer: D — Father-in-law
Explanation: Read the expression from the right: Q - R means Q is the wife of R. Then P + Q means P is the father of Q. So P is the father of R's wife - that is, R's father-in-law. Decode the symbols one at a time into plain sentences before combining them; attempting the whole chain mentally is where these go wrong.
Question 229
If LONDON is written as MPOEPO in a certain code, then PARIS is written as:
Select an option first.
Correct answer: A — QBSJT
Explanation: Each letter moves forward by one: L to M, O to P, N to O, D to E, O to P, N to O. Applying the same to PARIS gives Q, B, S, J, T. Distractor C moves backwards. Verify the shift on at least two letters of the given word, since a single letter can be consistent with more than one rule.
Question 230
If MADRAS is coded as NBESBT, then BOMBAY is coded as:
Select an option first.
Correct answer: B — CPNCBZ
Explanation: Each letter of MADRAS moves one place forward in the alphabet: M to N, A to B, D to E, R to S, A to B, S to T. Applying the same shift to BOMBAY gives C, P, N, C, B, Z, that is CPNCBZ. Establish the rule from EVERY letter of the given pair before applying it - checking only the first letter is how the near-miss distractors claim their victims.
Question 231
In a certain code TEACHER is written as VGCEJGT. How is CHILDREN written in that code?
Select an option first.
Correct answer: C — EJKNFTGP
Explanation: Each letter advances two places: T to V, E to G, A to C, C to E, H to J, E to G, R to T. Applying the same shift to CHILDREN gives E, J, K, N, F, T, G, P. Check EVERY letter of the given pair before applying the rule, and count the letters of your answer against the original word - the near-miss distractors here differ in a single character.
Question 232
In a certain code CAT is written as 3120. On the same basis DOG is written as:
Select an option first.
Correct answer: C — 4157
Explanation: Each letter is replaced by its position in the alphabet: C = 3, A = 1, T = 20, giving 3120. For DOG, D = 4, O = 15 and G = 7, giving 4157. Confirm the rule against every letter of the given word - the position of T as 20 is what reveals that positions are simply concatenated without separators.
Question 233
If FRIEND is coded as GSJFOE, then CANDLE is coded as:
Select an option first.
Correct answer: A — DBOEMF
Explanation: Each letter advances by one place: F to G, R to S, I to J, E to F, N to O, D to E. Applying the same shift to CANDLE gives D, B, O, E, M, F. Distractor D shifts BACKWARDS by one, which is the mirror-image error - always confirm the direction from the given pair before coding the new word.
Question 234
If in a code TIGER is written as REGIT, then HORSE is written as:
Select an option first.
Correct answer: C — ESROH
Explanation: The rule is simple reversal: TIGER read backwards is REGIT. Reversing HORSE gives E, S, R, O, H. Distractor A reverses all but two letters, which is why the answer should be written out letter by letter rather than eyeballed.
Question 235
If ROSE is coded as 6821 and CHAIR as 73456, then SEARCH is coded as:
Select an option first.
Correct answer: A — 214673
Explanation: From ROSE: R = 6, O = 8, S = 2, E = 1. From CHAIR: C = 7, H = 3, A = 4, I = 5, and R = 6 again, which confirms the two codes are consistent. SEARCH therefore reads S, E, A, R, C, H = 2, 1, 4, 6, 7, 3. Build the full letter-to-digit table before coding, and use the overlapping letter to verify it.
Question 236
If PENCIL is coded as NCLAGJ, then BOOK is coded as:
Select an option first.
Correct answer: D — ZMMI
Explanation: Each letter moves BACK two places: P to N, E to C, N to L, C to A, I to G, L to J. Applying the same to BOOK gives Z, M, M, I. Note that B wraps around to Z, which is the step the distractors are built around - the alphabet is circular in these puzzles.
Question 237
If MOTHER is written as ORWKHU in a certain code, then SISTER is written as:
Select an option first.
Correct answer: A — VLVWHU
Explanation: Each letter advances three places: M to O, O to R, T to W, H to K, E to H, R to U. Applying the same shift to SISTER gives V, L, V, W, H, U. The distractors each differ in exactly one letter, so check every position of your answer rather than the first two.
Question 238
If DELHI is coded as EFMIJ, then MUMBAI is coded as:
Select an option first.
Correct answer: C — NVNCBJ
Explanation: Each letter advances one place: D to E, E to F, L to M, H to I, I to J. Applying the same to MUMBAI gives N, V, N, C, B, J. The distractors each differ in a single character, so verify every letter of your answer rather than stopping once the first two look right.
Question 239
A is taller than B but shorter than C. D is taller than C. E is the shortest of the five. Who is the tallest?
Select an option first.
Correct answer: A — D
Explanation: Writing the relations in one chain: E is below B, B below A, A below C, and C below D. So the order from tallest is D, C, A, B, E, and D is the tallest. Build a single chain rather than holding separate pairs in mind - the answer then reads straight off one end.
Question 240
The number of odd days in 100 years is:
Select an option first.
Correct answer: B — 5
Explanation: A century contains 76 ordinary years and 24 leap years, since 1900-type century years are not leap. Odd days = 76 x 1 + 24 x 2 = 124, and 124 divided by 7 leaves a remainder of 5. This figure of 5 odd days per century is the building block of every long-range calendar question.
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