Data Sufficiency

Q: On which exact date of the month was Laxmi born? I. Laxmi's mother correctly remembers that Laxmi was born after the 16th but before the 21th of the month. II. Laxmi's ...

Correct Answer: Option D (Both statements I and II together are not sufficient.). From Statement I: Possible dates are between 16 and 21. From Statement II: Possible dates are between 18 and 23. Combining both gives multiple common overlapping dates (e.g., 19, 20). Hence, a unique date cannot be determined. Both statements together are not sufficient.

Q: Six persons are sitting in two parallel rows containing three people each, facing each other. Is Esha facing Aman? I. Esha sits at one of the extreme ends of the North-facing row....

Correct Answer: Option D (Both statements I and II together are not sufficient.). From Statement I: We know the positions of Esha, Faisal, and Bikas, but not Aman. From Statement II: Aman is at an extreme end next to Bikas. Combining I and II: Since Bikas is in the middle of the South-facing row, Aman could be at either the left extreme or the right extreme of that row. Therefore, Aman might be facing Esha or the other person. Both statements together are not sufficient.

Q: Five persons Aman, Charu, Faisal, Deepa, and Esha are sitting in a straight row facing North. Who sits exactly in the middle of the row? I. Aman sits second to the left of Charu. ...

Correct Answer: Option C (Both statements I and II together are necessary.). From Statement I: The arrangement block is Aman _ Charu Faisal. From Statement II: Deepa is at the extreme left. Esha is next to Aman. Combining I and II: The only possible full arrangement to fit the block is Deepa Esha Aman Charu Faisal. Aman sits exactly in the middle. Both statements are necessary.

Q: Six persons are sitting in two parallel rows containing three people each, facing each other. Is Sneha facing Uday? I. Sneha sits at one of the extreme ends of the North-facing ro...

Correct Answer: Option D (Both statements I and II together are not sufficient.). From Statement I: We know the positions of Sneha, Tarun, and Rahul, but not Uday. From Statement II: Uday is at an extreme end next to Rahul. Combining I and II: Since Rahul is in the middle of the South-facing row, Uday could be at either the left extreme or the right extreme of that row. Therefore, Uday might be facing Sneha or the other person. Both statements together are not sufficient.

Q: Six boxes Isha, Lalit, Kavya, Jatin, Hari, and Gita are kept one above another in a stack. Which box is kept immediately above Isha? I. Lalit is kept exactly between Kavya and Jat...

Correct Answer: Option C (Both statements I and II together are necessary.). From Statement I & II together: Hari is at the top (Pos 1). Gita is at the bottom (Pos 6). From II, Isha is exactly between Jatin and Gita, meaning Isha is at Pos 5, and Jatin is at Pos 4. From I, Lalit is exactly between Kavya and Jatin, placing Lalit at Pos 3 and Kavya at Pos 2. The full order is Hari, Kavya, Lalit, Jatin, Isha, Gita. Thus, Jatin is kept immediately above Isha. Both statements are necessary.

80 Questions

Practice Data Sufficiency questions with answers and step-by-step solutions. These problems are curated from recent campus placement test papers (TCS, Infosys, Wipro, Cognizant, Accenture) and competitive government exams (SSC CGL, Bank PO, RRB NTPC, UPSC).

Quick Mode: Practice Questions Timed Mock Test

Data Sufficiency: Directions & Problem Statements Shared for questions below

Directions

Set 16 (Q76 to Q80)

Q76

On which exact date of the month was Laxmi born?
I. Laxmi's mother correctly remembers that Laxmi was born after the 16th but before the 21th of the month.
II. Laxmi's father correctly remembers that Laxmi was born after the 18th but before the 23th of the month.

medium

Q77

Six persons are sitting in two parallel rows containing three people each, facing each other. Is Esha facing Aman?
I. Esha sits at one of the extreme ends of the North-facing row. Faisal sits to the immediate right of Esha and faces Bikas.
II. Aman sits at an extreme end of the South-facing row and is an immediate neighbor of Bikas.

medium

Q78

Five persons Aman, Charu, Faisal, Deepa, and Esha are sitting in a straight row facing North. Who sits exactly in the middle of the row?
I. Aman sits second to the left of Charu. Faisal sits to the immediate right of Charu.
II. Deepa sits at the extreme left end of the row and Esha is an immediate neighbor of Aman.

medium

Q79

Six persons are sitting in two parallel rows containing three people each, facing each other. Is Sneha facing Uday?
I. Sneha sits at one of the extreme ends of the North-facing row. Tarun sits to the immediate right of Sneha and faces Rahul.
II. Uday sits at an extreme end of the South-facing row and is an immediate neighbor of Rahul.

medium

Q80

Six boxes Isha, Lalit, Kavya, Jatin, Hari, and Gita are kept one above another in a stack. Which box is kept immediately above Isha?
I. Lalit is kept exactly between Kavya and Jatin. Hari is kept at the topmost position.
II. Isha is kept exactly between Jatin and Git

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Data Sufficiency

On which exact date of the month was Laxmi born?
I. Laxmi's mother correctly remembers that Laxmi was born after the 16th but before the 21th of the month.
II. Laxmi's father correctly remembers that Laxmi was born after the 18th but before the 23th of the month.

Community Discussion & Shortcut Formulas

Community Discussion & Shortcut Formulas

Community Discussion & Shortcut Formulas

Community Discussion & Shortcut Formulas

Six boxes Isha, Lalit, Kavya, Jatin, Hari, and Gita are kept one above another in a stack. Which box is kept immediately above Isha?
I. Lalit is kept exactly between Kavya and Jatin. Hari is kept at the topmost position.
II. Isha is kept exactly between Jatin and Git

Community Discussion & Shortcut Formulas

Data Sufficiency

On which exact date of the month was Laxmi born? I. Laxmi's mother correctly remembers that Laxmi was born after the 16th but before the 21th of the month. II. Laxmi's father correctly remembers that Laxmi was born after the 18th but before the 23th of the month.

Community Discussion & Shortcut Formulas

Community Discussion & Shortcut Formulas

Community Discussion & Shortcut Formulas

Community Discussion & Shortcut Formulas

Six boxes Isha, Lalit, Kavya, Jatin, Hari, and Gita are kept one above another in a stack. Which box is kept immediately above Isha? I. Lalit is kept exactly between Kavya and Jatin. Hari is kept at the topmost position. II. Isha is kept exactly between Jatin and Git

Community Discussion & Shortcut Formulas

On which exact date of the month was Laxmi born?
I. Laxmi's mother correctly remembers that Laxmi was born after the 16th but before the 21th of the month.
II. Laxmi's father correctly remembers that Laxmi was born after the 18th but before the 23th of the month.

Six boxes Isha, Lalit, Kavya, Jatin, Hari, and Gita are kept one above another in a stack. Which box is kept immediately above Isha?
I. Lalit is kept exactly between Kavya and Jatin. Hari is kept at the topmost position.
II. Isha is kept exactly between Jatin and Git