SSC CPO 11th Nov 2022 Shift 2

What is the LCM of $$a^3b - ab^3, a^3b^2 - a^2b^3, ab(a - b)$$?

A hemispherical bowl of internal diameter 18 cm contains water. This water is to be filled in cylindrical bottles of diameter 6cm and height 3 cm. The number of bottles required to empty the bowl is:

A retailer offers the following discount schemes for buyers on an item.
i) Two successive discount of 15%
ii) A discount of 20% followed by a discount of 10%
iii) A discount of 30%
Under which scheme the selling price will be maximum?

The total number of teachers in different subjects and the respective percentage of females among them in a school are given in the following table. Study the table and answer the following question.

In which subject are the maximum number of teachers males?

The LCM of two numbers is 840 and their HCF is 7. If one of the numbers is 56, find the other.

Find the value of a in the following equation. (Given a < 10.)
$$\frac{(187 \div 17 \times a - 3 \times 3)}{(8^2 - 9 \times 7 + a^2)} = 1$$

Find the area of triangle whose sides are 10 cm, 12 cm, and 18 cm.

A shopkeeper increases the selling price of an article by 15%. After increasing the selling price, he noticed that the profit percentage changed from 5% to 15%. The percentage increase in the cost price is:

AB is the common tangent to both circles as shown in the given figure. What is the distance between the centers of the circles?

24 men can complete a work in 15 days. How many men are needed to complete the same work in 10 days?