1. If Mohan’s income is 25% more than Raman’s income, then Raman’s income is less than Mohan’s income by
(A) 25%
(B) 80%
(C) 20%
(D) 75%
Answer:
(C) 20%
Explanation:
Let Raman’s income be 100. Mohan’s income is 25% more, making it 125. The difference between their incomes is 25. To find how much less Raman’s income is compared to Mohan’s, calculate the percentage based on Mohan’s income:
2. The hour hand takes…………. hours to complete one full round
(A) 6
(B) 12
(C) 18
(D) 24
Answer:
(B) 12
Explanation:
On a standard 12-hour analog clock face, the hour hand takes exactly 12 hours to complete one full round.
3. The minute hand moves from 7 to 8 in ……………. minutes.
(A) 4
(B) 5
(C) 6
(D) 12
Answer:
(B) 5
Explanation:
The face of an analog clock is divided into 12 major hour intervals. For the minute hand, moving from one number to the very next consecutive number always represents a duration of 5 minutes.
4. In a leap year, February has …………. days.
(A) 28
(B) 29
(C) 30
(D) 31
Answer:
(B) 29
Explanation:
A standard calendar year has 365 days, with February having 28 days. Every four years, a leap year occurs, adding an extra day to the calendar to synchronize with the astronomical year, giving February 29 days.
5. The branch of mathematics in which we study numbers is
(A) Arithmetic
(B) Algebra
(C) Geometry
(D) Trigonometry
Answer:
(A) Arithmetic
Explanation:
Arithmetic is the most elementary branch of mathematics, specifically dealing with the properties, relationships, and basic operations (addition, subtraction, multiplication, division) of numbers.
