Ajay Kumar Solutions for Chapter: Reasoning, Exercise 6: Practice set

If all horses are donkeys, some donkeys are monkeys and some monkeys are men, then which statement must be true?

The natural numbers from $1$ to $2100$ are entered sequentially in $7$ columns, with the first $3$ rows as shown. The number $2002$ occurs in column $m$ and row $n$. The value of $m+n$ is:

Amar, Akbar, and Anthony are three friends, one of whom is a doctor, another is an engineer and the third is a professor. Amar is not an engineer. Akbar is the shortest. The tallest person is a doctor. The engineer's height is the geometric mean of the heights of the other two. Then which of the following is true?

If $100$cats catch $100$mice in $100 \mathrm{minutes}$, then how long will it take for $7$ cats to catch $7$mice?

${10}^{100}$ is a $\mathrm{googol}$. ${1000}^{100}$ equals to?

If the figure shown is folded to make a cube, what letter is opposite to $\mathrm{G}$?

Oranges are placed in a pyramid-like stack with each layer completely filled. The base is a rectangle that is $5$oranges wide and $7$oranges long. Each orange, above the first layer, rests in a pocket formed by four oranges in the layer below, as shown. The last layer is a single row of oranges. The total number of oranges in the stack is?

Two candles of the same height are lit at the same time. The first candle is completely burnt up in $3 \mathrm{hours}$ while the second candle is completely burnt up in $4 \mathrm{hours}$. At what point in time is the height of the second candle equal to twice that of the first candle?