Quantitative An...

Find the sum of all two digit numbers.

In the below figure, ABC is a right angled triangle with AC = 30cm. AM = MN = NC. Find the value of BM² + BN².

For a histogram based on a frequency distribution with unequal class intervals, the frequency of a class should be proportional to:

A and B can do a job together in 7 days. A is  times as efficient as B. The same job can be done by A alone in :

In the given figure 'O' is the centre of the circle and AB, CD are equal chords. If ∠AOB = 70^∘ . Find the ∠OCD =?

A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is:

In an examination, Aditi got 10% more marks than Bunny, Bunny got 25% less marks than Charmi, Charmi got 20% more marks than Dhaval and Dhaval got 300 marks. How many marks did Aditi get?

A woman is standing 30 m away from her house. An angle of elevation from the top of her is 30° towards the top of house and angle of elevation from her foot is 60° towards the top of the house. Find the total height of the house and woman.

A train takes 1 h 30 minutes to travel between two stations P and Q . If it travels at 5/6 of its usual speed, how long will it take to travel between P and Q ?

A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house.