Data Sufficiency: Reasoning MCQ Practice

• Topic: Data Sufficiency
• Number of Questions: 10
• Target: SBI PO, SBI Clerk, RBI Assistant, IBPS PO, IBPS Clerk, SSC CGL, SSC GD, SSC CPO, SSC MTS, SSC CHSL, Railways, etc.

Let’s Start

1. Who is the heaviest among friends A, B, C, D, and E, each of whom has a different weight.
I. D. is heavier than only two persons together. E is lighter than B but heavier than A.
II. A is heavier than C but lighter than E. E is not significantly heavier than B.

1. Only I is sufficient
2. Only II is sufficient
3. Both I & II are needed
4. Neither I nor II

2. In the following secret code, how is stage coded?
I. ‘Stage is ready’ is coded as ‘ne sa ta’, and ready to go’ is coded as ‘ja ta la’ in the secret code.
II. ‘Stage it today’ is coded as ‘mu sa ye,’ and ‘it will today’ is coded as ‘ru mu ye,’ in the secret code.

1. I alone is sufficient
2. II alone is sufficient
3. Both I & II is needed
4. Neither I nor II

3. Is B at the far left end of a group of five mates seated in a straight line facing North?
I. B and D are immediate neighbours. Similarly, E and C are also immediate neighbours to each other. A is positioned exactly in the centre of the line.
II. A is second to the left of C and sits exactly in the centre of the line. B is not A’s immediate neighbour.

1. Only I is sufficient
2. I & II both are needed
3. Only II is sufficient
4. Insufficient Data

4. Is X the wife of Y?
I. X’s daughters M is the only sister of R. R is the son of Y
II. R is the only grandson of Y’s mother.

1. Only I is sufficient
2. Only II is sufficient
3. Both I & II are needed
4. Neither I nor II is sufficient

5. In a six-story house (consisting of floors numbered 1, 2, 3, 4, 5 and 6). The ground level is numbered 1, and the floor above ground level contains several persons, including P, Q, R, S, and T, who live on a different floor. T lives on which floors?
I. S lives in between floors where R and T reside.
II. Between T’s floor and Q’s floor are two more floors.

1. Only I is sufficient
2. Only II is sufficient
3. Both I & II are needed
4. Data Insufficient

6. 38 out of 64 students play both chess and cricket. How many students play only chess?

I. Of the 64 students, 22 are not playing any game and 4 are playing cricket only.
II. 20 of the 64 students are female, and 10 of them do not play cricket only.

1. Only I is sufficient
2. Only II is sufficient
3. I & II both are needed
4. Neither I nor II is sufficient

7. Is the time in the clock 3 O clock now?
I. The minute and hour hands of the clock will form a straight line after fifteen minutes.
II. The train, which is running three hours late from its scheduled arrival time of 11 a.m., has arrived now.

1. Only I is sufficient
2. Only II is sufficient
3. I & II both are needed
4. Neither I nor II is sufficient

8. How many daughters does W have?
I. B and D are sisters of M.
II. T, M’s father, is W’s husband.
III. T has three children, but only one of them is a boy.

1. Only I and II
2. I and III only
3. Only II & III
4. All I, II and III are required

9. How is ‘go’ written in a code language?
I. In that code language, ‘now or never again’ is written as ‘tom ka na sa.’.
II. In that code language, ‘you come again now’ is written as ‘ja ka ta sa.’
III. In that code language, ‘again go now or never’ is expressed as ‘na ho ka sa tom.’

1. Only I and III
2. I & II only
3. Only II and III
4. All I, II and III are required.

10. Priya will most likely be travelling on which day of the week?
I. Anita correctly remembers that Priya is travelling after Tuesday but before Saturday. Mohit correctly remembers that Priya is travelling before Friday but after Monday.
II. Priya does not travel on Friday.

1. Only I is sufficient
2. Only II is sufficient
3. I & II both are needed
4. Either I or II alone is sufficient