Recent questions tagged ratio and proportion

+1 vote

1 answer

5 carpenters can earn Rs 540 in 6 days working 9 hours a day.

asked Apr 7, 2019 in Class 12 by kratos

+3 votes

1 answer

Find the reciprocal ratio of: (i) 5 : 8 (ii) x/3 ∶ y/7

asked Apr 6, 2019 in Mathematics by kratos

+2 votes

1 answer

A dog takes 4 leaps for every 5 leaps of a hare but 3 leaps of a dog are equal to 4 leaps of the hare. Compare their speeds.

asked Apr 6, 2019 in Class 10 by kratos

+3 votes

1 answer

Shains pays Rs.7500 as rent for 3 months. How much does she has to pay for a whole year, if the rent per month ******* same?

asked Apr 4, 2019 by kratos

+3 votes

1 answer

If p : q = r : *; then show that: mp + np : q = mr + ns : *.

asked Apr 3, 2019 in Class 11 by kratos

+3 votes

1 answer

The perimeter of a triangle is 36 cm and its sides are in the ratio 3 : 4 : 5. Find the area of the triangle.

asked Apr 2, 2019 in Mathematics by kratos

+2 votes

1 answer

If ( a – b) : (a + b) = 1 : 11, find the ratio (5a + 4b + 15) : (5a - 4b + 3)

asked Mar 31, 2019 in Class 10 by kratos

+1 vote

1 answer

If(2a²+3b² ) proportional to ( ab) Then prove that (9a⁴+4b⁴ ) is proportional to ( a²b²).

asked Mar 30, 2019 in Class 10 by kratos

+1 vote

1 answer

Ashish studies for 4 hours, 5 hours and 3 hours on three consecutive days. How many hours does he study daily on an average?

asked Mar 28, 2019 by kratos

+3 votes

1 answer

Divide Rs. 672 in the ratio 5 : 3.

asked Mar 28, 2019 by kratos

+2 votes

1 answer

In a class, one out of every six students fails. If there are 42 students in the class, how many pass?

asked Mar 26, 2019 by kratos

+1 vote

1 answer

The marked price of a table is Rs 625 and its sale price is Rs 500. What is the ratio of the sale price to the marked price?

asked Mar 26, 2019 by kratos

+1 vote

1 answer

If (y-x)/x = 3/8 , find the value of y/x

asked Mar 25, 2019 by kratos

+3 votes

1 answer

The number of milk teeth in human beings is 20 and the number of permanent teeth is 32.

asked Mar 25, 2019 in Class 12 by kratos

+2 votes

1 answer

Sarita started a boutique investing an amount of Rs. 50,000. Six months later Neeta joined her with an amount of Rs.80,000.

asked Mar 21, 2019 by kratos

+2 votes

1 answer

Two positive numbers are in the ratio 3 : 5 and the difference between their squares is 400. Find the numbers.

asked Mar 21, 2019 in Class 12 by kratos

+3 votes

1 answer

21: Two numbers are in the ratio of 5 : 6. If 7 is subtracted from each of the numbers, the ratio becomes 4 : 5. Find the numbers.

asked Mar 20, 2019 in Class 12 by kratos

+3 votes

1 answer

What least number must be added to each of the numbers 5, 11, 19 and 37 so that they are in proportion?

asked Mar 20, 2019 in Class 10 by kratos

+3 votes

1 answer

If a/b = c/d, Show that: (a + b) : (c + d) = √(a^2 + b^2) : √(c^2 + d^2)

asked Mar 19, 2019 in Class 10 by kratos

+2 votes

1 answer

if x = √(a + 1) +√(a -1)/√(a +1) - √(a -1) using properties of proportion show that x^2 -2ax +1 = 0

asked Mar 19, 2019 in Class 10 by kratos

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