List of practice Questions

Two disc having mass ratio \(\frac{1}{2}\) and diameter ratio \(\frac{2}{1}\) then find the ratio of moment of inertia

A body weighs 200 N on the surface of the earth. How much will it weigh half way down to the centre of the earth?

The correct decreasing order for acid strength is :

The correct order of hydration enthalpies of alkali metal ions is -

A solution containing $62\, g$ ethylene glycol in $250 \,g$ water is cooled to $-10^{\circ}C$. If $K_f$ for water is $1.86\, K\, kg \,mol^{-1}$, the amount of water (in g) separated as ice is :

The effect of lanthanoid contraction in the lanthanoid series of elements by and large means :

The total volume of soaps sold is 680 lakhs units. The volume of Lux sold is 136 lakh units. If the
percentage of Lifebuoy sold is 30\(\%\), Camay 10\(\%\), Liril 15\(\%\) and Mysore Sandal 10\(\%\), answer the following
questions.

What is the market share of others in percentage points ?

How much time does Mr.Surya take to cover a distance of 500 m if he runs at a speed of 25 km/hr?

In a triangle ABC, AD is the bisector of angle A. If AC =4.2 cm, DC = 6 cm, BC =10 cm, find AB.

 In analogy, you are required to guess the relation between the two given words and fill in the blank after finding the similar relationship by choosing any word from the options given below:Hen :Chick :: Frog : .......

 In a certain code RIPPLE is written as 613382 and LIFE is written as 8192. How is PILLER written in that code?

Students in a commerce class took a test. The average score of men is 70 and of women is 83. The class average is 76. What is the ratio of men to women in the class?

The speed of a boat in still water is 5 km/hr. If it takes thrice as much time in going 20 km upstream as in going the same distance downstream, find the speed of the stream.

Find the odd one out of given combinations :

Find the missing number in the series below :
24, 28, 30, 34, .....

 In the following question below, 3 statements I, II and III are given. You are required to find out which of the given statement(s) is/are suffi cient to answer the question.How old was Deepa on October 2018 ?
I. Deepa is 6 yrs older than her sister Prabha
II. Prabha is 29 yrs younger than her mother
III. Deepa's mother celebrated her birthday on July 2018

The speeds of 3 cars in the ratio 5:4:6. The ratio between the time taken by them to travel same distance is

The length, breadth and height of a rectangular cuboid are in the ratio 1: 2 : 3. If the length, breadth and height are increased by 100\(\%\) each then what would be the increase in the volume of the cuboid ?

What is the area covered by a bell-shaped curve from −6 sigma to \(+\)6 sigma in normal distribution?

In a building there are 30 cylindrical pillars. The radius of each pillar is 35 cm and height is 5 m. Find out the
cost of painting the curved surface of half the number of pillars. The rate of painting is Rs.10 per m² .

Rajesh can check the quality of 1000 items in 5 hours and Rakesh can complete 75\(\%\) of the same job in 3 hours. How much time is required for both of them to check 1300 items, if Rakesh stops checking after 2 hours ? 

The sum of three consecutive odd numbers is 20 more than the first number. What is the middle number ?

Three solid cubes of sides 1 cm, 6 cm and 8 cm are melted to form a new cube. Find the surface area of the cube so formed.

The following table lists the marks of seven students(rows) of a class across six subjects(columns). The Numbers in the Parenthesis indicate the maximum marks of the subject concerned. Use the data in the table to answer the question that follows:
 

	English(150)	Hindi(120)	History(100)	Physics(100)	Maths(100)	Chemistry (100)
Maya	90	50	90	60	70	80
Arya	100	80	88	60	80	70
Riya	90	72	70	72	91	70
Sreya	85	65	80	80	60	60
Roopesh	80	55	85	95	50	90
Chandesh	70	75	65	85	40	61
Hanish	65	35	50	77	80	80

There are 6 tasks and 6 persons. Task 1 cannot be assigned either to person 1 or person 2. Task 2 must be assigned to either person 3 or person 4. Every person is to be assigned one task. In how many ways can the assignment be done ?