For the following questions answer them individually
Some families went on an outstation tour. The given histogram shows their ages.
What is the ratio of the number of persons of age less than 15 years to that of persons of age less than 30 years?
When the price of an item was reduced by 20%, its sales increased by x% . If there is an increase of 25% in the receipt of the revenue, then the value of x is:
In a trapezium ABCD , DC $$\parallel$$ AB, AB = 16cm and DC = 11.2 cm. Whatis the length (in cm) of the line segment joining the mid points of its diagonals?
In a class of 80 students (boys and girls) there are 60% girls. The average weight of the boys is 58 kg and that of the girls is 52 kg. What is the average weight(in kg) of the whole class?
$$\frac{775 \times 775 \times 775 + 225 \times 225 \times 225}{77.5 \times 77.5 + 22.5 \times 22.5 - 77.5 \times 22.5}$$ is equal to:
Study the bar graph which shows the imports and exports (in ₹) of steel of a country during 2013 to 2017 and answer the question that follows.
For how many year(s) were the imports less than 80%ofthe average exports (per year) of the country during the five years?
If $$a + b + c = 5, a^2 + b^2 + c^2 = 27$$, and $$a^3 + b^3 + c^3 = 125$$, then the value of $$\frac{abc}{5}$$ is:
A sum lent at simple interest amounts to ₹6,240.80 in one year and to ₹7,563.20 in 4 years. The sum (in ₹) and the rate of interest per annum, respectively, are:
If the 11-digit number 4v6884805x6 is divisible by 72, and $$x \neq y$$, then the value of $$\sqrt{xy}$$ is:
In $$\triangle PQR, QT \perp PR$$ and S is a point on QR such that $$\angle PSQ = p^\circ$$. If $$\angle TQR = 44^\circ$$ and $$\angle SPR = 32^\circ$$, then the value of p is: