For the following questions answer them individually
A man bought toffees at 3 for a rupee. How many toffees for a rupee must he sell to gain 50%?
In the given figure, O is the centre of the circle. $$\angle PDQ= 54^{\circ}$$. What is the measure (in degree) of $$\angle$$ PRQ?
What will be the total cost (in ₹) of polishing the curved surface of a wooden cylinder at rate of ₹50 per $$m^{2}$$, if its diameter is 70 cm and height is 6 m?
(Taken $$\pi = \frac{22}{7}$$)
In $$\triangle$$ ABC , AB= 7 cm, BC= 10 cm, and AC = 8 cm. If AD is the angle bisector of $$\angle$$ BAC, where D is a point on BC, then DC (in cm)=?
The average of sixteen numbers is 48. The average of the first six of these numbers is 45 and that of the last seven numbers is 53. The seventh and the eighth numbers are, respectively, 3 and 7 greater than the ninth number. What is the average of the ninth and seventh numbers?
Chords AB and CD of a circle intersect externally at P. If AB= 7 cm. CD= I cm and PD= 5 cm, then the length of PB (in cm) is:
The given histogram shows the heights of 232 students of an athletic club and their numbers. Study the histogram carefully and answer the questions that follows.
What is the average height (in cm) of 32 tallest students of the athletic club?
Express your answer correct to one place of decimal.
A tyre has 3 punctures. The first puncture alone would have made the tyre flat in 9 minutes, the second alone would have done it in 18 minutes, the third alone would have done it in 6 minutes. If the air leaks out at a constant rate, then how long (in minutes) does it take for
all the punctures together to make it flat ?
The following bar graph shows the total number of youth (in lakhs) and the nmnber of employed youth (in lakhs) in 5 states A, B, C, D and E.
How many youth (in lakhs) are unemployed in states A and C taken together?
Study the given pie chart and answer the question that follows.
The pie chart represents the percentage-wise distribution of the total number of Vanilla cakes and Chocolate cakes sold every day in a week. The total number of cakes sold in a week = 10500.
The ratio of the number of Vanilla cakes sold to the number of Chocolate cakes sold on Saturday is 4: 3. the selling price of one Vanilla cake is ₹8 and that of one Chocolate cake is ₹15, then the total amount earned (in ₹) by selling all Vanilla cakes and Chocolate cakes on Saturday is: