Q.261
Medium
A rectangular box has dimensions 5 × 4 × 3 cm. How many 1 cm cubes can fit inside it?
Explanation:
Volume of box = 5 × 4 × 3 = 60 cubic cm. Volume of each 1 cm cube = 1 cubic cm. Number of cubes = 60.
Q.262
Medium
If x : y = 3 : 4 and y : z = 8 : 9, then x : y : z is:
A 3 : 4 : 9
B 6 : 8 : 9
C 3 : 8 : 9
D 24 : 32 : 36
Correct Answer:
B. 6 : 8 : 9 Explanation:
x : y = 3 : 4 and y : z = 8 : 9. To make y the same in both, multiply first by 2: x : y = 6 : 8. So x : y : z = 6 : 8 : 9.
Q.263
Medium
If a man can complete a job in 12 days, what fraction of the job can he complete in 3 days?
Explanation:
Work completed per day = 1/12. Work completed in 3 days = 3 × (1/12) = 3/12 = 1/4.
Q.264
Medium
A container has 10 red balls and 15 blue balls. If one ball is drawn randomly, what is the probability of drawing a red ball?
Explanation:
Total balls = 10 + 15 = 25. Probability of red ball = 10/25 = 2/5.
Q.265
Medium
If a clock shows 3:15, what is the angle between the hour hand and minute hand?
A 7.5 degrees
B 15 degrees
C 22.5 degrees
D 30 degrees
Correct Answer:
A. 7.5 degrees Explanation:
At 3:15, minute hand is at 3 (90°). Hour hand moves 30° per hour + 0.5° per minute = 90° + 7.5° = 97.5°. Angle = 97.5° - 90° = 7.5°
Q.266
Medium
Find the odd one out: 121, 144, 169, 196, 225, 256
Explanation:
All others are perfect squares of consecutive integers (11², 12², 13², 14², 15²). 256 = 16², breaking the consecutive pattern.
Q.267
Medium
In a family, A's father's father is B's father. What is A's relationship to B?
A Grandson
B Son
C Nephew
D Brother
Correct Answer:
A. Grandson Explanation:
B's father = A's grandfather. Therefore A is B's grandson.
Q.268
Medium
Complete the series: 2, 6, 12, 20, 30, 42, ?
Explanation:
Pattern: 1×2, 2×3, 3×4, 4×5, 5×6, 6×7, 7×8 = 56
Q.269
Medium
P, Q, R, S, T are sitting in a row. If P is to the left of Q, R is to the right of S, and T is to the right of R, which of the following could be true?
A S, P, Q, R, T
B P, Q, S, R, T
C T, P, Q, R, S
D S, R, T, P, Q
Correct Answer:
B. P, Q, S, R, T Explanation:
Check constraints: P<Q ✓, S<R ✓, R<T ✓. Only option B satisfies all conditions.
Q.270
Medium
In a logic puzzle, A + B = 15, B + C = 17, C + A = 18. What is A + B + C?
Explanation:
Adding all three: 2(A+B+C) = 50, so A+B+C = 25
