Inflorescence type present in Cashew crop

How old is Jack?

I. After 20 years, Jack will be twice as old as he is today.

II. Five years ago, Jack was ¾ times of his present age.

What was the profit earned by selling an article?

I: The article was sold for Rs 850 after getting a discount of 15% on the labelled price.

What is the circumference of semi-circle (in cm)?

I. Area of the semi-circle is half of the area of a parallelogram.

What is the present age of Rina?

I. Rina’s present age is `1/10` of her mother’s present age.

In how many days can 16 men and 8 women together complete a piece of work?

I. 8 men complete the piece of work in 10 days.

The ratio between the present ages of the Mohit and Rekha is 2:3. Find the present age of the Rekha.

What is the speed of man in still water?

Statement I: The speed of man in still water is twice the speed of the stream.

What is the length of a wooden board of width 6 metres and thickness one-third of the width?

I. Surface area of the board is 152 m².