Number System Algebra Square and Square Roots Cube and Cube Roots Comparing Quantities Mensuration Playing with Numbers Data Handling and Symmetry Geometry
In a trapezium, the sum of the lengths of the parallel sides is 32 cm and the area of the trapezium is 128 cm2. Calculate the distance between the parallel sides.
Q.2
Find the cube root of 1728?
Q.3
The given histogram shows the height of 42 students in the class. Study carefully and answer the questions: i. How many students are having height equal to 155 or less? Ii. How many students have height equal to 160 or more?
Q.4
The product of two rational numbers is 15/11 If one rational number is 5/9 then find the other.
Q.5
What will be the next number in the given series?
64, 125, 216, ____
Q.6
16 persons need 56 kg of rice in 1 week. How much rice will be needed by 24 persons in four weeks?
Q.7
A shopkeeper bought a watch for $600 and sold it for $800. What is his profit or loss?
Q.8
Find the number of lines of symmetry in the given figure:
Q.9
A circular swimming pool has a circumference of 66 meters. What is the area of the pool?
Q.10
A man bought a bicycle for $80 and sold it for $100. What is the profit percentage?
