Total surface area of a cube is 600 sq cm. So the perimeter of each of its faces is ______. 60 CM 30 CM 40 CM 70 CM Sol:

The length of a rectangle is 3 units more than breadth and perimeter is 22 units. Find the breadth and length of rectangle Sol: Let breadth= x units Length= x+3 units Perimeter= 2(l+b) 22= 2(x + x+ 3) 22/2 = 2x+3 11= 2x+3 11-3 = 2x 8= 2x 8/2 = x x= 4.

Ratio of length of a rectangle is 3:2. If the length of the rectangle is 5m more than the breadth, find the perimeter of the rectangle. Sol: Ratio of length and breadth of a rectangle =3:2 Let length =2x m and Breadth =2x Also, I of rectangle is 5m more than the breadth

A jar contains a mixture of milk and water in the ratio 4:3, respectively. If 4-litres of the mixture is taken out, then the quantity of water left in the mixture will be 39 litres. Find the original quantity of the mixture in the jar. 95 litres 85 litres 75 litres 90 litres None ...

A Jar contains 5x litres of the mixture of milk and water in the ratio of 3: 2 and 20 litres of the mixture is taken out. Then added 24 litres of the water in the remaining mixture, the ratio of the milk and water becomes 1: 2. Find the value of x? A.15 B.10 C.20 D.30 E.None of ...

A Jar contains 90 litres of the mixture of milk and water in the ratio of 5: 4 and 45 litres of the mixture is taken out. Then added x liters of the water in the remaining mixture, the ratio of the milk and water becomes 2: 3. Find the value of x? A.18 B.17.5 C.16 D.15.5 E.14.5 ...

Jar contains 60 liters of milk and water in the ratio of 2:1. x liters of mixture is taken out and then 10 liters of the milk is added to the remaining mixture. Now the ratio of milk to water becomes is 11:4, then find the value of x? A.15B.20C.30D.25E.None of these Sol:Milk in Jar A = 60 * ...

The 80 liters of mixture contains 40% of Petrol and 60% of Kerosene. In how much liters of Petrol added to the mixture, if the percentage of the kerosene in the mixture becomes 40%? A.30 liters B.40 liters C.20 liters D.50 liters E.None of these Sol: Petrol = 40/100 * 80 = 32 ...

A vessel contains 60 liters of the mixture of milk and water in the ratio of 2: 1. If 24 liters of the mixture is taken out and replaced by water, then the quantity of the milk in the final mixture approximately what percent of the quantity of the water in the final mixture? A.33.33% ...

A starts a business with an initial investment of Rs. 30,000. After 6 months , B enters into the partnership with an investment of Rs. 20,000.Again after 3 months C enters with an investment of Rs.50,000.If C receives Rs. 2000 in the profit at the end of the year ,what is the total annual profit? ...

Kartik, Bhuvan and Sid entered into a partnership and invested Rs 13,000, Rs 16,000 and Rs 19,000 respectively. After 7 months, Kartik and Bhuvan added Rs 1,000 and Rs 5,000 respectively while Sid withdrew Rs 5,000. If at the end of year their annual profit is Rs 43,160, find the total profit ...

A,B and C enter into a partnership by investing Rs 28000, Rs 32000 and Rs 18000. A is working partner and gets a fourth of the profit for his services and the remaining profit is divided amongst the three in the ratio of their investments. What is the amount of profit that B gets if A gets a total ...