INTEGERS
6+7-15
-2
LCM of 4 and 12.
12
What is the solution of:x+12 = 5
7
2.7 × 1000?
2700
Convert 0.75 into a fraction.
75/100
−40+20−(−10)
-10
HCF of 18 and 24
6
What is the solution of: 5x−2=13
3
the product of 0.12 × 0.5?
0.06
What is the perimeter of a square with side length 9 cm?
36CM
(−7)×4×(−2)
56
If the HCF of two numbers is 1, what are they called?
Co-prime numbers
If x = -3 and y = 5, what is x−y?
-8
Simplify: 4.2 + 3.75 - 1.9
6.05
A shopkeeper sold 125 apples in a day. If each apple costs ₹8, how much money did he earn?
RUPEES 1000
(−7)×4×(−2)
8
The product of two numbers is 240, and their HCF is 4. Find their LCM.
60
If 4x−3=2x+5, find the value of x.
4
A car travels 13.5 km in one litre of petrol. How far can it go in 6.2 litres?
83.7km
Find the difference between CMXLV and DLXX.
375
[40−(−15)]÷(−5)
-11
The LCM of two numbers is 85. if one number is 5, find the other number.
17
The perimeter of a rectangle is 50 cm. If the length is x cm and breadth is 5 cm less than the length, find the length and breadth.
the length is 15 cm and the breadth is 10 cm.
A school water tank contains 250.5 litres of water. 73.75 litres are used in the morning and 88.5 litres in the afternoon. How much water is left?
88.25 litres
The ratio of boys to girls in a class is 3:4. If there are 21 boys, how many girls are there?
28 GIRLS