A trader offers a 10% discount on the marked price and provides 3 articles free for every 12 articles purchased, thereby earning a profit of 20%. Find the percentage by which the marked price is increased above the cost price, correct to two decimal places.

The length of a rectangular garden is 20 m and its breadth is 8 m. Find the length of the diagonal of a square garden having the same area as that of the rectangular garden.

A man riding on a bicycle at a speed of 43 km/h crosses a bridge in 54 minutes. Find the length of the bridge?

The sum of five numbers is 655. The average of the first two numbers is 78 and the third number is 123. Find the average of the remaining two numbers?

The marked price of an article is ₹5,800. A customer gets two successive discounts, the first being 12%. Calculate the second discount percentage if the customer pays ₹4,695.68 for it.

How many seconds will a boy take to run one complete round around a square field of side 87 metres, if he runs at a speed of 3 km/h?

The sum of five numbers is 655. The average of the first two numbers is 75 and the third number is 114. Find the average of the remaining two numbers?

Two numbers are in the ratio 7 : 8. If the HCF is 4, find the greater number

A number is first increased by 12%, and the increased number is decreased by 8%. Find the net increase or decrease percentage.

The sum of 10 numbers is 252. Find their average

2% of 9% of a number is what percentage of that number?

The average of first 121 odd natural numbers, is:

The sum of five numbers is 655. The average of the first two numbers is 75 and the third number is 122. Find the average of the remaining two numbers?

For what value of 'K' is the number 6745K2 divisible by 9?

If the perimeter of the square is 64 cm, find the length of the side of the square

Evaluate: 2 × {17 - 2 × (11 -4)}

Evaluate: 2 × {17 - 2 × (8 -6)}

Find the value of 8.15 × 0.35 − 2.36 × 0.8 + 1.07 − 0.5 × 0.8 − 2.56.

If the selling price of 10 raincoats is equal to the cost price of 12 raincoats, find the gain percentage.

2% of 11% of a number is what percentage of that number?

The average of first 124 odd natural numbers, is:

The smallest number which, when divided by 36 and 45 leaves remainders 8 and 17, respectively, is:

Which of the following numbers is divisible by 11?

The sum of 8 numbers is 696. Find their average

The areas of three surfaces of a cuboid are 10 m², 18 m² and 20 m². What is the volume (in m³) Q.23 of the cuboid?

Evaluate: 2 × {17 - 2 × (9 -5)}

If 0.008/x = 0.01, find x.

Evaluate: 2 × {17 - 2 × (8 -5)}

The LCM of two numbers is 72. Their ratio is 3 : 4. Find the sum of the numbers.

Find the surface area of a sphere whose diameter is equal to 30 cm.

The monthly incomes of two friends Nirmal and Rakesh, are in the ratio 5 : 7 respectively and each of them saves ₹93000 every month. If the ratio of their monthly expenditure is 1 : 3, find the monthly income of Nirmal(in ₹).

If 2 , 64 , 86 , and y are in proportion, then the value of y is:

The sum of five numbers is 655. The average of the first two numbers is 75 and the third number is 107. Find the average of the remaining two numbers?

Evaluate: 41 - [21 - {11 - (15 - 6 ÷ 2 × 3)}]

The sum of 10 numbers is 240. Find their average.

The average of first 127 odd natural numbers, is:

A number when increased by 50 %', gives 2430. The number is:

Rupesh bought 52 books for Rs 1130 from one shop and 47 books for Rs 910 from another. What is the average price (in Rs) he paid per book ?

The sum of five numbers is 655. The average of the first two numbers is 75 and the third number is 135. Find the average of the remaining two numbers?

Kartik can do a piece of work in 4 hours. Ishan can do it in 20 hours. With the assistance of Krish, they completed the work in 2 hours. In how many hours can Krish alone do it?

A person can complete a journey in 9 hours. He covers the first one-third part of the journey at the rate of 10 km/h and the remaining distance at the rate of 20 km/h. What is the total distance of his journey (in km)?