Acid and water are mixed in a vessel A in the ratio of 5:2 and in vessel B in the ratio 8:5. In what proportion should quantities be taken out from the two vessels so as to form a new mixture in which the acid and water will be in the ratio of 9:4?

The bar chart given below shows the number of tea packets of 2 varieties sold by 5 shops during a particular week.

What is the average number of tea packets sold per shop, both the varieties take together?

After interchanging the given two signs, what will be the value of the following expression?

× And ÷

20 + 5 ÷ 6 × 2 – 5

A rectangle has an area 30 cm² and perimeter 26 cm. Its sides (in cm) are

Directions: Study the following information carefully and answer the questions given below.
 In the table, the percentage of shirts (formal and casual) sold out of the total number of shirts sold in the week and the number of casual shirts sold data related to the number of shirts sold on ve weekdays – Monday, Tuesday, Wednesday, Thursday and Friday are given.

 Total number of shirts sold in the week = x Note: Total number of shirts sold on Saturday and Sunday together = 72

What is the ratio of the number of casual shirts sold on Monday and Wednesday together and a number of formal shirts sold on Tuesday and Thursday together?

The ratio of the outer and the inner perimeter of a circular path is 23 : 22, if the path is 5 meter wide the diameter of the inner circle is?

Punit goes from his home to his relative's place at a speed of 45 km/h. While returning from the relative's place, due to traffic, it takes him an hour longer as he can only drive at the speed of 40 km/h. Find the distance (in km) of his relative's place from his home.

If 35% of a number is subtracted from the second number the second number reduces to its four–fifths. What is the ratio the first number to the second number?