Archives

A truck requires 108 litres of diesel for covering a distance of 594 km. How much diesel will be required by the truck to cover a distance of 1650 km?

Given From the given detail we get to know that Diesel required for 594 km = 108 litres Find out We have to determine the amount... View Article

The weight of 72 books is 9 kg. What is the weight of 40 such books?

Given From the given detail we get to know that The weight of 72 books is 9 kg Find out We have to determine the weight of 40 such... View Article

Cost of 4 dozen bananas is ₹ 180. How many bananas can be purchased for ₹ 90?

Given From the given detail we get to know that Cost of 4 dozen bananas is ₹ 180 Find out We have to determine the number of bananas can... View Article

Shaina pays ₹ 15000 as rent for 3 months. How much does she has to pay for a whole year, if the rent per month remains same?

Given From the given detail we get to know that Rent paid by Shaina in 3 months = ₹ 15000 Find out We have to determine the rent paid by... View Article

The temperature dropped 15 degree celsius in the last 30 days. If the rate of temperature drop remains the same, how many degrees will the temperature drop in the next ten days?

Given From the given detail we get to know that The temperature dropped 15 degree celsius in the last 30 days Find out We have to... View Article

Cost of 5 kg of wheat is ₹ 91.50. (a) What will be the cost of 8 kg of wheat? (b) What quantity of wheat can be purchased in ₹ 183?

Given From the given detail we get to know that Cost of 5 kg of wheat is ₹ 91.50 Find out We have to determine (a)What will be the... View Article

If it has rained 276 mm in the last 3 days, how many cm of rain will fall in one full week (7 days)? Assume that the rain continues to fall at the same rate.

Given From the given detail we get to know that Measure of rain in 3 days = 276 mm Find out We have to determine the amount rain will in... View Article

Ekta earns ₹ 3000 in 10 days. How much will she earn in 30 days?

Given From the given detail we get to know that Ekta earns ₹ 3000 in 10 days Find out We have to determine the amount of money earned by Ekta... View Article

If the cost of 7 m of cloth is ₹ 1470, find the cost of 5 m of cloth.

Given From the given detail we get to know that Cost of 7 m cloth = ₹ 1470 Find out We have to determine the the cost of 5 m of cloth... View Article

Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion. (a) 25 cm : 1 m and ₹ 40 : ₹ 160 (b)39 litres : 65 litres and 6 bottles : 10 bottles (c) 2 kg : 80 kg and 25 g : 625 g (d) 200 mL : 2.5 litre and ₹ 4 : ₹ 50

Solution: (a) 25 cm : 1 m and ₹ 40 : ₹ 160 On taking the ratio of given sets we get 25 cm = 25 / 100 m = 0.25 m 0.25 / 1 = 1 / 4 40 /... View Article

Are the following statements true? (a) 40 persons : 200 persons = ₹ 15 : ₹ 75 (b) 7.5 litres : 15 litres = 5 kg : 10 kg (c) 99 kg : 45 kg = ₹ 44 : ₹ 20 (d) 32 m : 64 m = 6 sec : 12 sec (e) 45 km : 60 km = 12 hours : 15 hours

(a)40 persons : 200 persons = ₹ 15 : ₹ 75 On taking the ratios we get 40 / 200 = 1 / 5 15 / 75 = 1 / 5 Therefore, the given set of ratios are... View Article

Write True (T) or False ( F ) against each of the following statements : (a) 16 : 24 :: 20 : 30 (b) 21: 6 :: 35 : 10 (c) 12 : 18 :: 28 : 12 (d) 8 : 9 :: 24 : 27 (e) 5.2 : 3.9 :: 3 : 4 (f) 0.9 : 0.36 :: 10 : 4

(a) The given statement is True Explanation 16: 24 :: 20: 30 16 / 24 = 2 / 3 20 / 30 = 2 / 3 Hence, 16: 24 = 20: 30 Hence, True... View Article

Determine if the following are in proportion. (a) 15, 45, 40, 120 (b) 33, 121, 9, 96 (c) 24, 28, 36, 48 (d) 32, 48, 70, 210 (e) 4, 6, 8, 12 (f) 33, 44, 75, 100

(a) First will combine two terms and find the ratio of those two terms 15, 45, 40, 120 15 / 45 = 1 / 3 40 / 120 = 1 / 3 Hence, 15: 45 =... View Article

Present age of father is 42 years and that of his son is 14 years. Find the ratio of (a) Present age of father to the present age of son (b) Age of the father to the age of son, when son was 12 years old. (c) Age of father after 10 years to the age of son after 10 years. (d) Age of father to the age of son when father was 30 years old.

(a) Present age of father = 42 years Present age of son = 14 years Required ratio =Present age of father/Present age of son =42 / 14 = 3... View Article

Mother wants to divide ₹ 36 between her daughters Shreya and Bhoomika in the ratio of their ages. If age of Shreya is 15 years and age of Bhoomika is 12 years, find how much Shreya and Bhoomika will get.

Solution Mother wants to divide ₹ 36 between her daughters Shreya and Bhoomika in the ratio of their ages Shreya is 15 years Bhoomika is 12... View Article

Divide 20 pens between Sheela and Sangeeta in the ratio of 3: 2.

Given Divide 20 pens between Sheela and Sangeeta in the ratio of 3: 2 Solution Division ratio 3: 2 = 3 and 2 Sum of these terms = 3 + 2 = 5... View Article

Consider the statement: Ratio of breadth and length of a hall is 2: 5. Complete the following table that shows some possible breadths and lengths of the hall.

Breadth of the hall (in metres) 10 1.40 Length of the hall (in metres) 25 50 Solution (i) Length = 50 m Breadth / 50 = 2 / 5 On cross... View Article

Cost of a dozen pens is ₹ 180 and cost of 8 ball pens is ₹ 56. Find the ratio of the cost of a pen to the cost of a ball pen.

Given From the given detail we get to know that Cost of a dozen pens = ₹ 180 cost of 8 ball pens =₹ 56. Find out We have to determine... View Article

Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of (a) Number of students who opted basketball to the number of students who opted table tennis. (b) Number of students who opted cricket to the number of students opting basketball. (c) Number of students who opted basketball to the total number of students.

Given From the given detail we get to know that Total number of students = 1800 Number of students who opted basket ball= 750... View Article

In a college, out of 4320 students, 2300 are girls. Find the ratio of (a) Number of girls to the total number of students. (b) Number of boys to the number of girls. (c) Number of boys to the total number of students.

Given From the given detail we get to know that Total number of students = 4320 Number of girls = 2300 Find out We have to determine the ratio... View Article