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Section 1: Data Sufficiency
Question 1:Determine if the statements are, individually or together, sufficient to answer the question.
Question: What is the area of a circle?
Statements: I. The radius of the circle is 7 cm. , II. The diameter of the circle is 14 cm.
Question 2:If Kishore, Nagu, Ranga, and Srinivas are brothers. Then who among them earns the most?
Statements: I. Nagu earns more than Kishore and Srinivas, but less than Ranga.
Statements: I| . Kishore earns less than Nagu and Ranga, but more than Srinivas.
Question 3:Calculate the total amount of money that is left to be repaid by friend P.
Statements: I. Friend P borrowed 25% of money from A's salary and returned only 5% of the borrowed money. II. Friend A earns a total of $ 3000 as monthly salary.
Section 2: Direction Sense
Question 4: Rachel is facing South. He turns 90° left, then another 90° left. Which direction is she facing now?(Note the funny pronoun mix-up "He/she" in the original company test!)
Question 5:
Susan is facing East. She turns 180°, then 90° to her right. Which direction is she facing now?
Section 3: Blood Relations
Question 6:
A3 is the sister of B3. C3 is the brother of B3. How is A3 related to C3?
Question 7:
S3 is the mother of T3. U3 is the brother of T3. How is S3 related to U3?
Question 8:
A1 is the father of B1. C1 is the brother of A1. D1 is the mother of B1. E1 is the wife of C1. How is E1 related to D1?
Question 9:
U1 is the daughter of V1. W1 is the brother of U1. X1 is the wife of W1. Y1 is the daughter of X1. How is Y1 related to V1?
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Section 1: Data Sufficiency
Answer 1:Either statement I alone or statement II alone is sufficient.
- Explanation: To find the area of a circle, you only need the radius. Statement I gives the radius directly (7 cm). Statement II gives the diameter (14 cm), which can be easily divided by 2 to find the radius. Therefore, either statement on its own gives you the information needed to calculate the area.
Answer 2:Statement I alone is sufficient.
- Explanation: * Statement I establishes this hierarchy: Ranga > Nagu > (Kishore and Srinivas). This clearly points to Ranga as the highest earner.
- Statement II establishes: (Nagu and Ranga) > Kishore > Srinivas. This tells us Nagu and Ranga are at the top, but it does not tell us who earns more between the two of them.
Answer 3: Both statements together are sufficient (but neither is sufficient alone).
- Explanation: * Statement I gives the percentages (borrowed 25%, returned 5% of that) but lacks a base value.
- Statement II gives the base value (A's salary is $3000) but mentions nothing about P's debt.
- Together, you can calculate the exact figures: P borrowed $750 (25% of 3000) and returned $37.50 (5% of 750), leaving $712.50 to be repaid.
Section 2: Direction Sense
Answer 4:North
- Explanation: Rachel starts facing South. A 90° left turn puts her facing East. A second 90° left turn puts her facing North.
Answer 5:North
- Explanation: Susan starts facing East. A 180° turn means she does a complete about-face and is now facing West. From the West, a 90° turn to her right puts her facing North.
Section 3: Blood Relations
Answer 6: Sister
- Explanation: A3 and C3 share the same sibling (B3). Since the prompt specifies that A3 is a "sister" (meaning A3 is female), A3 is the sister to all her siblings, including C3.
Answer 7: Mother
- Explanation: T3 and U3 are siblings (brothers/sisters). Since S3 is the mother of T3, S3 must also be the mother of T3's brother, U3.
Answer 8: Sister-in-law
- Explanation: A1 and D1 are the father and mother of B1, making them husband and wife. C1 is A1's brother, making C1 the brother-in-law of D1. Since E1 is married to C1, E1 is the wife of D1's brother-in-law, which makes E1 and D1 sisters-in-law.
Answer 9: Granddaughter
- Explanation: U1 and W1 are siblings, and V1 is their parent. W1 is married to X1, making X1 the daughter-in-law of V1. Since Y1 is the daughter of W1 and X1, Y1 is the child of V1's son, making her V1's granddaughter.
