The Dairy Farm MATHS - The Dairy Farm

If a number is multiplied by 9, its digit sum is also a multiple of:

If 123 x 11 = 1353, then 124 x 11 = ?

A school arranges chairs in 25 rows with 36 chairs in each row. How many chairs are there in total?

Which of these can never be the units digit of the product of two even numbers?

The product of three consecutive numbers is always divisible by

16 × 26 = 8 × ________.

The number of veros in the product of 16 × 5,000 is ________.

lf 420 × 100 = 42,000, then 420 × 1010 = ________.

2,000 × 40 = 400 × ________.

90 × 40 = 36 × ________.

Place the digits 2, 5, and 3 appropriately to get a product close to 100. Share your reasoning in class.

Ananya is watching Republic Day celebrations on city’s public ground. There are 12 rows of students sitting in front of her and 17 rows behind her. There are 18 students to her right and 22 students to her left.
(a) How many rows of students are there in total?
(b) How many students are there in Ananya’s row?
(c) What is the total number of students on the ground?

Maska Cow Farm has 297 cows. Each cow requires 18 kg of fodder per day. How much total fodder is needed to feed 297 cows every day?

Gollappa has 29 cows on his farm. Each cow produces 5 litres of milk per day. How many litres of milk do the cow produce in total, each day?

Priya uses 16 metres of cloth to make 4 kurtas. How much cloth would she need to make 8 kurtas?

dentify the problems that have the same answer as the one given at the top of each box. Do not calculate.

Find the answers to the following questions:
(a) 17 × 23 = _______
(b) 17 × 24 = _______
(c) 17 × 22 = _______
(d) 16 × 23 = _______
(e) 8 × 9 = _______
(f) 18 × 9 = _______
(g) 28 × 9 = _______
(h) 108 × 9 = _______
(i) 18 × 23 = _______

Anjali buys 15 bulbs and 12 tube lights from Sudha Electricals. Each bulb costs ?25 and each tube light costs ?34. How much money should Anjali give to the shopkeeper?

In a test match between India and West Indies, the Indian team hit twenty- four 4s and eighteen 6s across the two innings. How many runs were scored in 4s and 6s each? 234 runs were made by running between the wickets. If 23 runs were extras, how many runs were scored by Indian team in the two innings?

A movie theatre has 8 rows of seats, and each row has 12 seats. If half the seats are filled, how many people are watching the movie? If 3 more rows get filled, how many total people will be there?

Multiply:
69 × 45

Multiply:
32 × 8

A school library has 86 shelves and each shelf has 162 books. Find the number of books in the library.

A shopkeeper sold 28 bags of rice. Each bag costs ?350. How much money did he earn by selling rice bags?

Fill in the table.

Problem	TTh	Th	H	T	o
20 x 100 =
40 x 500 =
60 x 300 =
600 x 30 =
80 x 900 =
70 x 600 =
5 x 7,000 =

Complete the given pattern.

Complete the given pattern.

Multiply.
12 × 16 = ______

Multiply.
24 × 64 = ______

Multiply.
24 × 16 = ______

Complete the given pattern.

Complete the given pattern.

To find 18 × 23, how much is to be added to 17 × 23 _____ 17 or 23?

To find 17 × 24, how much is to be added to 17 × 23 _____ 17 or 23?

Find easy ways of solving these problems.
128 × 35