1. The positions of how many digits in the number 5321674 will remain unchanged after the digits are rearranged in ascending order within the number?
A. None
B. One
C. Two
D. Three
Answer - Option A
Explanation:
5321674
1234567
Thus the position of all the digits will changed.
2. '1' is subtracted from each odd digit and '1' is added to each even digit in the number 4873529. Which of the following will be the difference between the second digit from the left and the third digit from the right of the new number thus formed?
Answer - Option C
Explanation:
9 – 4 = 5
So the answer is 5.
Hence, Option C is correct.
Direction (3-4): In these questions, a relationship between different elements is shown in the statements. The statements are followed by two conclusions.
3. Statements:
S > U > V, Y < U <Z, Z < W
Conclusions:
I. S > Z
II. W > Y
A. only conclusion I is true
B. only conclusion II is true
C. either conclusion I or II is true
D. neither conclusion I nor II is true
Answer - Option B
Explanation:
I. S > U < Z
II. W > Y ⟶true (as Y < U < Z < W)
Hence, only conclusion II follows.
4. Statements:
A = B > C = L, E > F > G > A, H > I > J
Conclusions:
I. B < E
II. H < G
A. only conclusion I is true
B. only conclusion II is true
C. either conclusion I or II is true
D. neither conclusion I nor II is true
Answer - Option A
Explanation:
I. BF>G>A=B)
II. Hence, only conclusion I follows.
Direction (5): Seven persons P, Q, R, S, T, U and V belong to the same family. There are two couples in the family. Parents of every children's are alive. R is sister of Q. T is brother of U. P is father of U. V is mother of Q. S is mother-in-law of V. U is a female.
5. How is S related to T?
A. Son
B. Daughter
C. Mother
D. Niece
Answer - Option C
Explanation:
S is mother of T.
P is father of U. T is brother of U. U is a female. S is mother-in-law of V. V is mother of Q. R is sister of Q. So S is married to someone and V is married to S’s son. It means T is husband of V and P is husband of S.