Find the LCM of 156 and 124.

A handloom weaver takes 6 hours 20 minutes 30 seconds and 5 hours 50 minutes 45 seconds to weave two silk sarees. What is the total time to weave the two silk sarees?

The arrival and departure timings of the Chennai - Trichy Express are given below.

Station	Arrival	Departure
Chennai Egmore	-	20:30
Chengalpattu	21:30	21:32
Villupuram junction	23:15	23:25
Virudhachalam junction	00:07	00:10
Trichy	04:30	-

(i) At what time does the train depart from Chennai Egmore to arrive at Trichy? The train departs from Egmore at 20:30 hours to arrive Trichy at 4:30 hours.
(ii) How long does it halt at Villupuram? It halts at Villupuram for 10 minutes.
(iii) How many halts are there in between Chennai and Trichy? There are 3 halts (1) Chengalpattu (2) Villupuram (3) Virudhachalam
(iv) Find the total journey time of the train from Chennai to Trichy.

Ramya purchases some make-up items and gets the following bill.

CASH BILL SHANTHI FANCY STORE
Bill No. 100                                                 Date: 15.05.2018
Sl. No.	Items	Rate (in Rs)	Quantity	Amount (in Rs.)
1.	Hair clip	15 each	6	90
2.	Hair pin	10 each	4	40
3.	Ribbon	12 per m	3	36
4.	Handkerchief	25 each	2	50
	Total			216

Observe the bill and answer the following questions.
(i) What is the bill number?
(ii) Mention the date of the bill.
(iii) How many different items were purchased?
(iv) What is the cost of an hair clip?
(v) What is the total cost of the ribbon?

Fill up the appropriate boxes in the following table:

	C.P.	S.P.	Profit	Loss
(i)	Rs. 50	Rs. 60
(ii)	Rs. 70	Rs. 60
(iii)	Rs. 100		Rs. 20
(iv)	Rs. 80			Rs.15
(v)		Rs. 70	Rs. 25
(vi)		Rs. 100		Rs. 30

Complete the following table.

Sl. No	C.P. in Rs.	M.P. in Rs	S.P. in Rs.	Discount in Rs.	Profit in Rs.	Loss in Rs.
i	110	130		5
ii	110	130		20
iii		130		15	30
iv		130		Nil		25
v		125		Nil	Nil	Nil
vi			350	50	100	Nil

Can a triangle be formed with the following angles? If yes, name the type of triangle.
(i) 60°, 60°, 60° 
(ii) 90°, 55°, 35° 
(iii) 60°, 40°, 42°
(iv) 60°, 90°, 90°
(v) 70°, 60°, 50°
(vi) 100°, 50°, 30°

Using the given information, write the type of triangle in the table given below

S.No.	\(\angle \)1	\(\angle \)2	\(\angle \)3	Type of triangle based on angles	Type of triangle based on sides
i.	60°	40°	80°	Acute angled triangle.	Scalene Triangle
ii.	50°	50°	80°
iii.	45°	45°	90°
iv.	55°	45°	80°
v.	75°	35°	70°
vi.	60°	30°	90°
vii.	25°	64°	91°
viii.	120°	30°	30°

Construct a line perpendicular to the given line through a point above it.

Draw a line and mark a point R at a distance of 4.8 cm above the line. Through R draw a line parallel to the given line.

Study the given figure and identify the following triangles.
(a) equilateral triangle
(b) isosceles triangles
(c) scalene triangles
(d) acute triangles
(e) obtuse triangles
(f) right triangles

Complete the following table :

Types of Triangle /Its Angles	Acute angled triangle	Right angled triangle	Obtuse angled triangle
Any two angles	Always acute angles	i.	Always acute angles
Third angle	ii.	Right angle	iii.

Convert Tree diagrams into Algebraic expressions.

Write the numerical expression which gives the answer 10 and also convert into tree diagram.

A football team gains 3 and 4 points for successive 2 days and loses 5 points on the third day. Find the total points scored by the team and also represent this in tree diagram.