Two numbers are in the ratio 3:5. If each number is increased by 10, the ratio becomes 5:7. The numbers are -

The average age of six members of a family is 40 years. If the age of a guest is included, then the average age increases by 12.5%. What is the age (in years) of the guest?

Directions: Study the following table carefully to answer the questions that follow Number of Gold coins (in hundred) produced in Five Different companies during Six Different month.

In which company the number of the Gold coins continuously increased during the year February to July?

The marked price of an article is ₹ 500. It is sold at successive discounts of 20% and 10%. The selling price of the article (in rupees) is : 

Which of the following options is divisible by 11?

if x⁴+y⁴+x²y²=21 and x²+y²-xy=7, then what is the value of  $${x\over y}+{y\over x}=?$$

The value of sin 73⁰ + cos 137⁰ is:

The length and the breadth of a rectangle are 12 cm and 6 cm, respectively. What is the area of the rectangle?