Calendar and Clock

What is the investment made if one invests in $15\%$ stock at $50$ and earns $₹ 2000$?

Raju ranks $10th$ from the top and Ravi ranks $21st$ from the bottom. How many students are there in the class, if there are $3$ Students between them?

The one/two statements are given followed by two conclusions I and II, you have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.

Statements :
All books are novels.
Some novels are poems.
Conclusions :
I. Some books are poems.
II. Some poems are novels.

At what time, in minutes, between 3 o'clock and 4 o'clock, both the needles will coincide each other?

→ stands for +, ← stands for -, ↑ stands for ÷, ↓ stands for x, stands for =, which one is correct ?

On $24$ of February of a Leap year, it was Saturday. On which date, the fifth Thursday of the same month fall?

How many times in a day, are the hands of a clock in straight line but opposite in direction?

How many times do the hands of a clock coincide in a day?

If all the numbers from $5$ to $80$, which are divisible by $5$ are written in descending order, then which of the numbers will occupy ${11}^{th}$ place from the top ?

How many working days are there in that month, If the second Saturday and all Sunday are holiday in a $30$ days month beginning on Saturday ?

If $9^{th}$of the month falls on the day preceding Sunday ,on which day will$1^{st}$ of the same month will fall?

At what time between $5.30$ and $6$ will the hands of a clock be at right angles?

A clock with only dots marking 3, 6, 9 and 12 positions has been kept upside down in front of a mirror . A person reads the time in the reflection as 9 .50. What is the actual time ?

If Sandeep was born on Tuesday, on which day was Varun born. Ann is $300$ Days older than Varun and Sandeep is $50$ Weeks older than Ann?

In every $60 \mathrm{minutes}$, the$\mathrm{minute}$ hand gains -------- $\mathrm{minutes}$on the $\mathrm{hour}$ hand.

Savita correctly remembers that Rahul birthday was after Monday but before Friday. Sandeep correctly remembers that Rahul's birthday was after Tuesday but before Saturday. On which day of the week does Rahul's birthday definitely fall.

At what time between $9$ and $10$ o'clock will the hands of a watch be together?

Find false date of birth given in the series.

(1) 29-02-2004 (2) 31-08-2003 (3) 29-02-2006
(4) 15-02-2006 (5) 10-01-2005

At what time between $5:30$ and $6 \mathrm{o}\text{'} \mathrm{clock}$ will the hands of a clock be at right angles?

At what time between $7$ and $8 \mathrm{o}\text{'}\mathrm{clock}$ will the hands of a clock be in the same straight line but, not together?