Tom’s father is thrice as old as Tom. 10 years ago Tom’s father’s age was 7 times his age. What is Tom’s current age?
Sign in
Please select an account to continue using cracku.in
↓ →
Tom’s father is thrice as old as Tom. 10 years ago Tom’s father’s age was 7 times his age. What is Tom’s current age?
Login to view the detailed solution.
Select the correct option that will complete the given number series.
13, 10, 7, 4, ...........
Select the figure that does NOT belong in the following group.

The Grande Croix Commandeur in National Merit Order — the highest civilian honor of Ivory Coast, Africa — was recently conferred on which Indian?
Who wrote the book ‘An Era of Darkness’ which extensively narrates the grim realities of colonial India?
In 2017, which celebrity was appointed as the Good will Ambassador of the United
Nations in India to amplify awareness about the Sustainable Development Goals (SDGs)?
15% of a number, when added to 30% of another, gives 24% of the sum of the two numbers. The bigger number is 4 more than the smaller one. What are the numbers?
Login to view the detailed solution.
Find the odd figure:
If $$\sec \theta + \tan \theta = 2, $$then $$\sec \theta - \tan \theta = ?$$
Login to view the detailed solution.
Thumbain Kerala is famous because .........
Which union minister from the Lok Jana Shakti Party belongs to PM Narendra Modi’s Cabinet?
Which of the following pairs is NOT a pair of twin primes?
Login to view the detailed solution.
Two identical resistors of 20 Ω each are connected in parallel. This combination, in turn, is connected to a 10 Ω resistor. The equivalent resistance of the combination will be:
Login to view the detailed solution.
.......... is the process in which acids and bases react to form salts and water.
Which of the following physical quantities changes or tends to change the state of rest or of uniform motion of a body in a straight line?
Select the pair that does NOT belong in the following group.
$$(\sqrt{64},9), (\sqrt{81},10), (\sqrt{36}, 8), (\sqrt{121}, 12)$$
Login to view the detailed solution.
Which of the following is a bisexual flower?
According to the given Venn diagram, the total number of students in the class is ........

Which of the following numbers is a prime number?
Login to view the detailed solution.
Which country hosted the 2016 Summer Paralympics, a major sporting event for athletes with disabilities?
The energy released at the end of digestion is in the form of:
A girl introduces a man as the son of her grandfather and the brother of her maternal aunt. How is the man related to the girl?
The below table gives the details of the number of students in Class 10, section A and B who had taken mid-term and final exam.
What is the total number of students in both. section A and B?

An object is placed at the centre of curvature of a concave mirror. Its image is formed at:
In the given sequence, the numberofletters preceded by a symbol and followed by a
number is ..........
$M@A#N2B4O&3C5P+D2
Who won the Economic Times (ET) Life time Achievement award in 2017?
ESPN annually ranks 100 of the most famous active sports persons in the world to create the ‘ESPN World Fame 100’ list. Which Indian player had the highest ranking in this list in 2017?
The HCF of two numbers is 12 and their LCM is 72. If one of the two numbers is 24, then the other number is:
Login to view the detailed solution.
A watch shows 6 p.m. where the hour hand points east. In which direction is the minute hand facing when the time is 9.15 p.m.?
Login to view the detailed solution.
56% of 250 is:
Login to view the detailed solution.
Select the Answer Figure that can replace the ? symbol in the Problem Figure.

A charge of 2 C passes from one point to the other in a circuit. If the potential difference between the two points is 5 V, the amount of work done is:
Login to view the detailed solution.
If the total number of bikes sold in 2009 was 15000, how many more red bikes were sold than black ones?

Login to view the detailed solution.
If $$sin x + cos x =\sqrt{2} sin x$$ , then the value of tan x is:
Login to view the detailed solution.
Who is the author of the Indian English Novel ‘No Other World’ published in 2017?
Consider the given argument and decide which of the given assumptions is (are) implicit.
Argument:
A top television company announced up to 50%discount on their new launch of LED TV.
Assumptions:
1. The sales of the LED TV may increase.
2. The company will become the top seller of the LED TV.
Choose the correct water image of the problem figure.

The angle of elevation of the top of a 36 m tall tower from the initial position of a person on the ground was 60°. She walked away in a manner that the foot of the tower, her initial position and the final position wereall in the samestraight line. The angle of elevation of the top of the tower from her final position was 30°. How much did she walk from her initial position?
Login to view the detailed solution.
Pointing to a boy in a photograph, Neena said, “He is the son of my grandmother’s only
daughter”. How is Neena related to the boy?
What is the square root of 9409?
Login to view the detailed solution.
The given Problem Figure is embedded in one of the given Answer Figures. Which is that Answer Figure?

Which among the following is different?
Super Tackle, Raider, Bowler, Defender
Login to view the detailed solution.
Fill in the blank with the most appropriate option.
Ethanol is denatured to ..........
Find the LCM of 34, 51 and 68.
Login to view the detailed solution.
One of the earliest explorers who visited India was Megasthenes. Which country did he
hail from?
84% of a number is 105. The number is:
Login to view the detailed solution.
Which of the following is a correct pair according to increasing atomic number from left
to right?
For dilution of a concentrated acid, we should add:
From the top of a platform 5 m high, the angle of elevation of a tower was 30°. If the
tower was 45 m high, how far away from the tower was the platform positioned?
Login to view the detailed solution.
Consider the given argument and decide which of the given assumptions is (are) implicit.
Argument:
The year 2020 is a leap year.
Assumptions:
1. February will have 29 days in 2020.
2. The year 2017 is not a leap year.
Which of the options depicts the correct mirror image of the following figure?

If ₹ 2,000 is invested at the rate of 20% per annum, compounded half-yearly, then the
amount after 18 months will be:
Login to view the detailed solution.
Which of the following metals does NOT react with Oxygen even at a high temperature?
train travelling at the speed of 66 km/h crosses a 300 m long platform in 24 seconds. How long was the train?
Login to view the detailed solution.
How many molecules are present in one mole of water?
What does the symbol R in electricity stand for?
A particle experiences constant acceleration for 20 s after starting from rest. If it travels a distance X,, in the first 10 s and distance X, in the remaining 10 s, then whichof the following is true?
Login to view the detailed solution.
Which of the following animal is not triploblastic?
Jeremy is 26 years younger than his father. Eight years hence his father’s age will be two
years less than twice his age. What is Jeremy’s present age (in years)?
Login to view the detailed solution.
Name the organ where the embryo develops:
A person driving at the speed of 45 km/h reaches office 1 minute early while she reaches 3
minutes late if driving at 40 km/hr. Whatis the distance (in km) that she is covering?
Login to view the detailed solution.
Select the option that can replace the question mark (?) in the Problem Figure.

How much does one need to add to $$\frac{4}{5}$$ to obtain $$\frac{5}{4}$$ ?
Login to view the detailed solution.
Atomic mass of Sulphur is 32 u. The number of moles in 16 grams of Sulphur is:
What would be the smaller of the two angles formed by the hour hand and the minute hand at 3:47 p.m.?
Login to view the detailed solution.
Which group in the modern periodic table contains elements that are inert gases?
_____ , found in blood, is responsible for oxygen transportation.
Which of the following has the same unit as energy?
Study the given data and answer the question that follows.
In which year did Bhutan’s rice production decrease for the first time?
Login to view the detailed solution.
A well of diameter 3m and depth 14 m is dug. The earth, taken out ofit, has been evenly
spread all around it in the shape ofa circular ring of width 4m to form an embankment. Find the height of embankment?
Login to view the detailed solution.
husband are cousins, then Ms. X is Ms. Y’s ..........
Consider the given argument and decide which of the given assumptions is (are) implicit.
Argument:
Government had put advertisements and issued advisories to public not to eat food from the road side, as they are unhygienic.
Assumptions:
1. Government wants to stop roadside vendors business.
2. Government wants to increase the profit of hotel owners.
Consider the given statement true and decide which of the given conclusion(s) logically
follow(s) from the statement.
Statement:
Arise, awake and stop not until the goal is reached.
Conclusions:
1. A human being has to get out of his state of helplessness.
2. No individual is weak.
Select the option that depicts the correct mirror image of the given figure when the mirror is held at the MN line shown.

The given Problem Figure is embedded in one of the given Answer Figures. Which is that Answer Figure?

Educational materials for CAT preparation