For the following questions answer them individually
A boy goes from home to school at a speed of 30 km/h and returns back at a speed of 70 km/h. What is his average speed for the journey?
Rupu’s income is 20% more than Madhu’s income. Madhu’s income is less than Rupu’s income by:
What annual instalment (in ₹) will discharge a debt of ₹9,429 due in three years at 12.25% simple interest per annum? [Note: Instalments will be paid at the end of Year 1, Year 2 and Year 3.]
Study the given table and answer the question that follows.
The table shows the number of students studying in 6 different classes of 6 different schools.
Which class has the minimum number of students from all schools together?
Find the least number which is exactly divisible by 20, 28, 34, 60 and 75.
The mean proportional between 0.03 and 0.0003 is:
If $$a + b + c = 5$$ and $$ab + be + ca = 7$$ , then the value of $$a^{3} + b^{3} + c^{3} - 3abc$$ is:
The given pie-chart represents the survey report on favourite games of a group of young people.
If a total of 4980 people were surveyed, then what is the central angle produced by the sector indicating football?
A shopkeeper increases the cost price of an item by 50% and offers a discount of 40% on this marked price. What is his loss percentage?
An item with a marked price of ₹z was sold for ₹6,622, after a discount of 12% was offered. What was the value of z?