Round each decimal number to the given place value.
5.992 to tenth place

Simplify: 23.5 − 27.89 + 35.4 − 17.

What should be subtracted from 7.1 to get 0.713?

Akilan purchased a geometry box for Rs. 25.75, a pencil for Rs. 3.75 and a pen for Rs 17.90. He gave Rs 50 to the shopkeeper. What amount did he get back?

Find the product of the following
 0.5 x 3

Simplify the following.
18.9 ÷1000

A man walks around a circular park of distance 23.761 m. How much distance will he cover in 100 rounds?

A printer can print 15 pages per minute. How many pages can it print in 4.6 minutes?

Round of the following decimal to the nearest whole number.
1.23

Find the product of the following
453.03 x 7

Simplify the following
0.9 ÷ 10

Simplify the following
0.399 ÷ 2.1

A picture of chess board is given.
(i) Find the percentage of the white coloured squares.

The weights of two chemical substances are 20.34 g and 18.78 g. Write the difference in percentage.

14 out of the 70 magazines at the bookstore are comedy magazines. What percentage of the magazines at the bookstore are comedy magazines?

Karun bought a pair of shoes at a sale of 25%. If the amount he paid was Rs 1000, then find the marked price.

A biology class examined some flowers in a local Grass land. Out of the 40 flowers they saw, 30 were perennials. What percentage of the flowers were perennials?

A sum of Rs.48,000 was lent out at simple interest and at the end of 2 years and 3 months the total amount was Rs.55,560. Find the rate of interest per year.

Lalitha took a math test and got 35 correct and 10 incorrect answers. What was the percentage of correct answers?

A sum of Rs. 46,900 was lent out at simple interest and at the end of 2 years, the total amount was Rs. 53,466. Find the rate of interest per year.

If a principal is getting doubled after 4 years, then calculate the rate of interest. (Hint : Let P = Rs. 100).

In each of the following grid, find the number of coloured squares and express it as a fraction, decimal and percentage.

In each of the following grid, find the number of coloured squares and express it as a fraction, decimal and percentage.

Write each of the following fraction as percentage.
 \(\cfrac { 81 }{ 30 } \)

Arithmetic mean of 15 observations was calculated as 85. In doing so an observation was wrongly taken as 73 for 28. What would be correct mean?