Hot questions

0 votes

0 answers

If two quantities x and y vary directly with each other, then ______ of their corresponding values remains

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

0 votes

0 answers

If the thickness of a pile of 12 cardboard sheets is 45 mm, then the thickness of a pile of 240 sheets is _______

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

If x varies inversely as y and x = 4 when y = 6, then when x = 3 the value of y is

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

0 votes

0 answers

If the area occupied by 15 postal stamps is 60 cm2, then the area occupied by 120 such postal stamps will be

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

If 45 persons can complete a work in 20 days, then the time taken by 75 persons will be ______

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

0 votes

0 answers

A car covers a distance in 40 minutes with an average speed of 60 km/h. What should be the average speed to cover the same distance in 25

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

From the following table, determine if x and y are in direct proportion or not. x 4 7 10 16 y 24 42 60 96

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

If a and b vary inversely to each other, then find the values of p, q, r ; x, y, z and l, m, n. a 2 y 6 10 b x 12.5 15 z

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

If a and b vary inversely to each other, then find the values of p, q, r ; x, y, z and l, m, n. a l 9 n 6 b 5 m 25 10

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

0 votes

0 answers

30 persons can reap a field in 17 days. How many more persons should be engaged to reap the same field in 10

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

Pattern B consists of four tiles like pattern A. Write a proportion involving red dots and blue dots in pattern A and B. Are they in direct proportion? If yes, write the constant of proportion.

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

0 votes

0 answers

A bowler throws a cricket ball at a speed of 120 km/h. How long does this ball take to travel a distance of 20 metres to reach the

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

160 `m^3` of water is to be used to irrigate a rectangular field whose area is 800 `m^2`. What will be the height of the water level in the

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

0 votes

0 answers

If the radius of a cylinder is tripled but its curved surface area is unchanged, then its height will

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

The volume of a cylinder whose radius r is equal to its height

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

0 votes

0 answers

If R is the radius of the base of the hat, then the total outer surface area of the hat is

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

The circumference of the front wheel of a cart is 3 m long and that of the back wheel is 4 m long. What is the distance travelled by the cart, when the front wheel makes five more revolutions than the rear

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

A running track has 2 semicircular ends of radius 63 m and two straight lengths. The perimeter of the track is 1000 m. Find each straight

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

0 votes

0 answers

The radius and height of a cylinder are in the ratio 3:2 and its volume is 19,404 `cm^3`. Find its radius and

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

Hot questions

Categories