The ratio of ages of Jai and Joy is 5:2. The sum of their ages is 63. After 9 years what will be the ratio of their ages?

Direction: The bar graph shows revenues in rupees lakhs from selling four different products (A, B, C and D) by a certain company. Study the diagram and answer the following questions.

Revenues from which product were the least in both the years 2015 and 2016?

If △ABC is right angled at B, AB = 12 cm and ∠CAB = 60°, determine the length of BC.

The ratio of the sum of two numbers and their difference is 5:1. The ratio of the greater number to the smaller number is-

The simple interest on an amount at the rate of 7 percent for five years is Rs 700. So how much is the principal?

If books bought at prices from ₹150 to ₹ 300 are sold at prices ranging from ₹ 250 to  ₹350, what is the greatest possible profit that might be made in selling 15 books ?

Shivani purchased five pens for ₹600. She sells these five pens at the rate of ₹50 per pen. What is the approximate lo percentage that Shivani incurred on selling the five pens?

What value will come in place of question mark (?) in the following questions?

(?)² + 1 = 212 + 172